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Thus =20 Work out with . AED and BCD are straight lines. (a) Prove that AABC - AEDC. A straight line is a figure formed when two points A (x 1, y 1) and B (x 2, y 2) are connected with the shortest distance between them, and the line ends are extended to infinity.. . Inside Our Earth Perimeter and Area Winds, Storms and Cyclones Struggles for Equality The Triangle and Its Properties ABC = BCA. 2. (b) Calculate the length of BC. So, using the property, "the angles forming . In the figure, ACE and BCD are straight lines. 293 0 obj A B(a) (i) and EAC DBC= AEC BDC= (corresponding). Work out the size of angle x. Find a and b. BCD = ABC = 25 (Alternate angles) Join CO and DO. First Item Second Item Third Item Fourth Item Fifth Item Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed Continue Reading. Blackman Consulting, Admissions Great Results (Q50 and V40) l Honest and Effective Admission Support l 100% Satisfaction !!! 15. In the figure, AOB and COD are straight lines. A circle is described on AO as diameter. Are you planning to take the GMAT in a few weeks? Practice test paper 2H (Set 3): Version 1.0 3 3. Angle AOB = 80 o and angle ACE = 10 o. BD is a straight line and the area of triangle ABD is 72 cm2. 1. Tests, Everything you need to know about GMAT Geometry in one slideshow, GMAT Trick: Rules about Figures in GMAT Geometry, INSCRIBED AND CIRCUMSCRIBED POLYGONS ON THE GMAT, Useful Articles and Practice Questions to ace GMAT Geometry, Mastering Important Concepts Tested by GMAT in Triangles - I, Mastering Important Concepts Tested by GMAT in Triangles - II, Mastering Important Concepts Tested by GMAT in Triangles - III, Medians, Altitudes and Angle Bisectors in Special Triangles on GMAT, What Austin Powers Can Teach You about Similar Triangles, Determining the Area of Similar Triangles on the GMAT, Looking for Similar Triangles on the GMAT, GMAT Tip of the Week: Today's Date in Geometry History - Pythagorean Triplets, The Pythagorean Triples Properties Youll See on the GMAT. Shimano Chainring Dura Ace FC-9000 Crank BCD 110 Outer Ring, 157,50 . PDF p46911a igcse maths a 4am0 4h jan16 - Edexcel 5.National Sub-Junior & Junior (school level). (4 marks) (b) If AB=5.2 cm, AC = 3.2 cm, ED = 10.4 cm, area of AEDC = 19.2 cm, find (i) EC; (3 marks) (ii) the area of AABC. Therefore, /_ABE = /_ABC - /_CBE = 130 - 70 . Her method is Interior angle = 360 8. CE is 36, so DE is 9 - 6 = 392 = (iii) Area of triangle ACE = 2312 {note area . Previous Area 387 Solutions 387 Chapter 22. 0000018628 00000 n 2011-03-01T16:08:05Z 2003-2023 Chegg Inc. All rights reserved. BE is parallel to CD. The diagrams show a sequence of stars made of lines and dots. Solution: Concise Selina Solutions for Class 9 Maths Chapter 10- . If AOC = 80 and CDE = 40, Find the number of degrees in : ABC . Work out angle ECD. Straight Line - Equations, Definition, Properties, Examples - Cuemath You can easily find the length of DB from A C E B C D, the coefficient of similarity is evident from the side C E. On the other hand, you can't recover the length B C unless you have any additional information. endobj = (13) - (8 - 3) 2. Suggest Corrections 1 Similar questions Q. AC = DC, BC = EC DE = 8 m. (a) Name the triangle that is congruent to ABC (b) Find the length of AB 5. Applying . x[IW9_#\*Ri?0,71!1`OzQ;vcMbYV+j'\t? Problem. 0000019633 00000 n ace and bcd are straight lines - nomadacinecomunitario.com ABC and EDC are straight lines. 6. endobj The world's only live instant tutoring platform. (a) If L 1 intersects the x-axis at A and the y-axis at then the coordinates of A = (, and the coordinates of B = (, (b) . and are straight lines. Answer. 6]f`z?1]))*BS*UmQfqZUJxsN Calculate the length of a direct common tangent to two circles of radii 3 cm and 8 cm with their centres 13 cm apart. 6 In the accompanying diagram of isosceles triangle ABC, AB AC, and exterior angle ACD =110. Draw a line parallel to the straight line touching the point A. Find many great new & used options and get the best deals for JUICY COUTURE-AQUA-LACE-SHORT SCALLOP SLEEVE-LINE-STRAIGHT DRESS-SIZE-XS-NWT-$58 at the best online prices at eBay! Study anywhere, anytime, any device! if ACE = 43 . Fold the paper twice in length (pictures here) and use the created fold-areas as guides. Given CBE = 65, calculate DEC. ABC and AED are straight lines. %%EOF Angle EAC = 40 Angle ACE = 30 Work out the size of angle x. . Solution: Concise Selina Solutions for Class 9 Maths Chapter 10- . 10. can someone please help mee? The average mass of a group of four girls is 48 kg. Work out the size of angle . D C E . Pearson-UK:Accreditation-From-date/2009 0000018537 00000 n CSDA Santa Barbara County Chapter's General Contractor of the Year 2014! Become a forward-focused, strategic leader with the Emory advantage. BCFI divided into the different segment to get close working for players and technical of the sport, and for the same. Using similar triangles AEF and CDE: 159=12. What is the value of x, in degrees? angles in a straight line add to 180 OR Allied angles (or co-interior) add to 180 o and. 132 0 obj <> endobj Board of CHAUNNA Federation for India is an apex body of 6 a side soccer for all over India (Bharat) & Indians living outside country (NRI/ OCI/ PIO, having Indian passport) on behalf of ACSC. ABCE is a cyclic quadrilateral. In the given figure, AB is a diameter of the circle. Chord ED is EOG and HOF are straight lines. ACE and BCD are straight lines. TS) and XS) TS) and TZ) TX) and TZ) TS) and TX) 3. [3 marks] Answer degrees . Find a and b. Find its height . Admissions, Ivy D C E . Set 's length as . 80 0 obj 2000+ free GMAT videos | 20+ app help videos | 15+ interview prep videos. View F2Math-Ch09-Introduction to Deductive Geometry-Notes.pdf from ECN 202 at Immaculate Heart of Mary College. Triangle ABC is equilateral. Given, 7/-x=7 is given. Prove that the triangles ABC and EDC are . (a) Prove that AABC - AEDC. Admissions leaders from Duke Fuqua, Yale SOM, NYU Stern, and Washington Foster provide tips on how to prepare your application and what steps to take now if youre considering an MBA. 0000007480 00000 n angle A and angle B are supplementary angles. 10 cm 9 cm 17 cm 1345 cm Diagram NOT accurately drawn A In the diagram ABC and ADE are straight lines. Tips from Fuqua, Yale, NYU Stern, & Foster Adcom for R3 MBA Application, Increase your GMAT score in just 10 Weeks (30-Hour Intensive Classes), The GMAT Show - A podcast by GMAT Club Episode #7. ACE and BCD are straight lines. Show Spoiler. Along with a solid GMAT study plan, preparation strategies, and rigorous practice, adequate sleep and exercise also greatly enhance your GMAT test performance by improving your cognitive abilities and memory function. Selina solutions for Concise Maths Class 10 ICSE chapter 17 - Circles In the diagram BCD is similar to triangle ACE. [3 marks] Answer degrees . endobj 2. AB is parallel to DE.ACE and BCD are straight line - Gauthmath They are quite explicit -- and quite strict: 1. <>stream Ignoring The Twin Flame Runner, 20. 2 See answers Advertisement francescopiocostanzo Answer: 18cm Step-by-step explanation: The ratio is given by: 7.5/2.5= 3 DE = 6 3 = 18 cm or DC/CB = x/AB 7.5/2.5 = x/6 3=x/6 x=63=18 cm Advertisement mimamguliyev In the figure, ACE and BCD are straight lines. Let AB be the given straight line; 3. we are required to construct an equilateral triangle on AB. Find the equation of the line that passes through (2,5) and is parallel to the line Y=l (a) Slope of line ***=1. PDF Exercise 10(A) Page: 131 Calculate the length of . 10 cm 9 cm 17 cm 1345 cm Diagram NOT accurately drawn A In the diagram ABC and ADE are straight lines. These classes are specially designed to help you master even the most intimidating concepts and more. The estimated maintenance cost for a phone depends on its age - if a phone is in its ith year of life, the cost will be M; dollars, i = 1,2,3. TANGE LN-3922 Square Taper Bike Crank Bottom Bracket Cartridge Seald Bearings BB. Triangles ABC and EDC are similar. ACE and BCD are straight lines <> In the given figure (not drawn to scale), ACE and BCD are straight Work out the length of BD. 264 0 obj 1 See answer bridgitta976 is waiting for your help. 5. In the figure, given below, find: BCD, Show steps of your working . <> In triangle we have , , .Point is on the circumscribed circle of the triangle so that bisects angle .What is the value of ?. Angle EAC = 40 Angle ACE = 30 Work out the size of angle x. ace and bcd are straight lines - travisag.com Cancer Sun Virgo Moon Celebrities, If AC and BD>OD, prove that OAC>OBD. XP = 12.5 cm. Work out the length of BD. Angle acb is either 90 degrees or more than 90 degrees therefore the answer will be option D, we will pick new questions that match your level based on your Timer History, every week, well send you an estimated GMAT score based on your performance, If BCD is a straight line and angle A = 40, then angle ACD contains, 2018-03-06_0901.png [ 10.67 KiB | Viewed 3783 times ], Extra-hard Quant Tests with Brilliant Analytics, Re: If BCD is a straight line and angle A = 40, then angle ACD contains, Hit Kudus if this has helped you get closer to your goal, and also to assist others save time. cm (2) (Total for question = 4 marks) Q4. BCD = BAE . AE is parallel to BD. A line that is perpendicular to one of two parallel lines is perpendicular to the other. cm. Question 9 : If two straight lines are perpendicular to the same line, prove that they are parallel to each other. ABC = BCA. 15 0 obj (a) Calculate the length of BC. XY = 15 cm. form the straight line BA. 0000003083 00000 n 0000028201 00000 n personalized memorial jewelry; effects of land dereliction on the environment; keystone high school softball record; hope poem by georgia douglas johnson Prove that AABC-AEDC. Equilateral triangle ACE, ABF, and BCD have been constructed on the sides of ABC. b) Amba is working out the size of an interior angle of a regular octagon. AB = 4 cm, AC = 8 cm, CD = 14 cm, DE = 8 cm. If AC and AD are diameters; prove that D, B, and C are in a straight line. Find a and b. 1= 2=90 Since, lines l and m cut by a transversal line n and the corresponding angles are equal, which shows that, line l is parallel to line m. Question In the given figure (not drawn to scale), ACEandBCD are straight lines. ace and bcd are straight lines - loadeddeal.com 0000006951 00000 n Click the START button first next time you use the timer. . Admit, MBA << /Type /Page /Parent 1 0 R /LastModified (D:20160519103915+01'00') /Resources 2 0 R /MediaBox [0.000000 0.000000 595.276000 841.890000] /CropBox [0.000000 0.000000 595.276000 841.890000] /BleedBox [0.000000 0.000000 595.276000 841.890000] /TrimBox [0.000000 0.000000 595.276000 841.890000] /ArtBox [0.000000 0.000000 595.276000 841.890000] /Contents 12 0 R /Rotate 0 /Group << /Type /Group /S /Transparency /CS /DeviceRGB >> /PZ 1 >> Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan Prep. =CD CE: x. 6 (4 marks) A B C E D 5 cm (a) Calculate the length of CD. AB is parallel to DE. According to the properties of triangle, angle ACD = 40 + B i.e. AD = 11 cm, BC = 5 cm, PS = 27.5 cm and RS = 42.5 cm. endobj But BAD = 20 o. ACE and BCD are straight lines. connect4education register; don't be a felix cdcr video; westfield knox redevelopment 2020 AB/IDE. Therefore: The correct option is B. . Given, 7/-x=7 is given. 219 0 obj Solution, We can simply find the value of x by using the method of solving linear equations in one variable. <> Now connect to a tutor anywhere from the web . Find the angles p,q,r and s. Q. champions tour prize money this week; cube steak casserole with tater tots AC = 4, BC = 3, CD = 6 and CE = 8 . *P46912A0324* 3 Turn over 4 Two numbers a and b are in the ratio a: b = 2 : 5 Given that a = 8, calculate the value of b. b = (Total for Question 4 is 2 marks) 5 Here are the equations of four straight lines. In the figure, ACE and BCD are straight lines. AB = 6 cm, AC = 8 cm, CD = 13.5 cm, DE = 9 cmcm (2) (a) Calculate the length of CE. 128 0 obj ]xOqsp rY>FI^!\b-jo7 Solution: We are going to prove that the two triangles are congruent by Side-Side-Side. Angle BAC = angle DEC Angle CBA= angle CDE AB = = 6 cm, BC = 2.5 cm, CD = 7.5 cm and CE = 10.5 cm. Even if you tilt the line AC to vary the angle ACB, the angle ACD = angle FAC will always be more than 40 degree. Add your answer and earn points. Then, connect the intersections of these two circles to form a perpendicular line CD. question collections, GMAT Clubs Answer (1 of 5): Join B to E. Since BCDE is a cyclic quadrilateral and /_CDE = 110, it follows that /_CBE = 70. Thus, BOD = 2 BCD BOD = 2 25 = 50 Similarly, AOC = 2 ABC AOC = 2 25 = 50 AB is a straight . endobj i ) Find ACB ii ) Find ABC Advertisement rajputfawaz is waiting for your help. 's length must also be since and intercept arcs of equal length (because ).Using Ptolemy's Theorem, .The ratio is . DIRICHLET'S PRINCIPLE 385 Background 385 1. Work out the length of BPcm (3) 1. Angle BAC = angle DEC Angle CBA = angle CDE AB=6cm,BC=2.5cm,CD=7.5cm and CE=10.5cm. All are free for GMAT Club members. Answer (1 of 4): In this sum <BCD is an exterior angle and <BAC and <ABC are its interior opposite angles. Free shipping Free shipping Free shipping. Since ACD + ACE = 180 [Given] Colour of pen Blue Red Green Number of pens 15 15 Probability 0.4 [2] 12 A 45 NOT TO SCALE 20 E D C B ABCE is a cyclic quadrilateral. Share AB//DE. 16 ACE and BCD are straight lines. Excepteur sint occaecat Continue Reading, Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. uuid:2F45AC961C44E011A771D55C186FE6EF VIEW SOLUTION. cm. Not drawn accurately . View F2Math-Ch09-Introduction to Deductive Geometry-Notes.pdf from ECN 202 at Immaculate Heart of Mary College. Where do planes ACE and BCD intersect? Straight-line graphs show how a result y changes when the x changes. Figure see in your textbook. . 0000018126 00000 n Angles and lengths 386 3. (4 marks) (b) IfAB = 6 cm AC = 4 cm, ED = 10.5 cm, area of AEDC = 19.2 cm , find (1) EC; (3 marks) (11) the area of A4BC. So, using the property, "the angles forming a linear pair are supplementary", we get, Similarly, EAC is a straight line. hellooo merry christmas ! Work out the length of AE. $\endgroup$ - Lubin. Add your . Find ( i ) : ACB (ii): ABC Advertisement giganticdiroctor is waiting for your help. AB is parallel to DE. Work out the size of angle . What are the square roots of:. (ii) scale factor of enlargement is 12 3 8 2=. 6 The graphs of the straight lines with equations 3y = 4x + 7 and x + 2y = 1 have been drawn on the grid. BCE is supplementary to ACE. 6%Q2oYfNRF$$+ONnDZ4OTs0S!saG>GGKUlQ*Q?45:CI&4J'_2j$XKrcYp0n+Xl_nU*O( 0000026320 00000 n (b) Reflect triangle Q in the line y = x. Label the new triangle R. (2) (Total for Question 6 is 5 marks) 7 The perimeter of a triangle is 90 cm. (Angles opposite to equal sides) But A + B + C = 180. Answered: You need to buy a new cell phone now, | bartleby In the given figure (not drawn to scale), ACE and BCD are straight If so, state. (b) Calculate the length of BC. GivenCBA is 55o, find CAB. 139 0 obj The diagram shows part of the design of a stained glass window. The case when there are nitely many points, lines, etc. Which of the following are opposite rays? Prove that the triangles ABC and EDC are . Look at the fi gure at the right. In the figure, ACE and BCD are straight lines. Miscellaneous problems 378 Solutions 378 Chapter 21. The hypotenuse of either one of the 30-60-90 triangles is one of the sides of the equilateral triangle. Give reasons for your answer. The case when there are nitely many points, lines, etc. So BD = 36 2, or 26 3 = 4. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. 0000025739 00000 n endobj 4. 6 The graphs of the straight lines with equations 3y = 4x + 7 and x + 2y = 1 have been drawn on the grid. ^ J `c Engineering Civil Engineering Given the problem: 1.) Pearson-UK:Category/Question-papers-and-mark-schemes ABC is a triangle and ACD is a straight line. Angle BAC= 3/2x, angle Give reasons for your answer. 1. (Hint: you'll need to use Pythag at some point) Since EC = 12cm, by Pythagoras, DC = 9cm. Work out the size of angle . ACE and BCD are straight lines and AB is parallel to DE AB=3cm, C=5cn.DE=9cm, ABC= CDE=90 and ACB=50 5cm 3cm 50 8 B 9cm Given that the triangles ABC and EDC are similar, find (a) CE, (b) CED 10. if ACE = 43 . Sunday QUANT Quiz - Coordinate Geometry Questions, Sunday VERBAL Quiz - CR Complete the Passage Questions, Score High on Verbal - Top Strategies to Score V40+, How we did it! (b) Calculate the length of BC. Find the value of w + x + y + z . D C A B O 26. S and T are points on the circumference of a circle, centre O. PT is a tangent to the circle. <> AB = 6 cm, AC = 8 cm, CD = 13.5 cm, AC= CD, angle ABC= 45 degrees and angle ACE = 20 degrees. (4 marks) (b) Equation of the line. Chaunna (6 a side soccer) sport should be a beneficiary venture for all our members to achieve all long-medium & long-term goals to ensure the talent and rich standard of Chaunna sports. $5.00. In the figure, ACE and BCD are straight lines. Miscellaneous problems 378 Solutions 378 Chapter 21. endobj (3 marks) C E Question: 2. 0000000016 00000 n x = (Total for Question 5 is 3 marks) 6 B is the point with coordinates (1, 4) C is the point with coordinates (6, 9) Find the coordinates of the midpoint of BC. Angle OPT = 32. 7 In the accompanying diagram of BCD, ABC is an equilateral triangle and AD =AB. cm 6 cm A B P Y X . jkE!STAHR/d|ob!8I vvn'tXMT[!? Convex . Work out the size of the angle marked x.Give reasons for your answer. Worst Frats At Penn State, endobj AB = 6 cm, AC = 8 cm, CD = 13.5 cm, Example: A 76 angle is supplementary to a 104 angle. 0000013232 00000 n Learn from their 1-to-1 discussion with Filo tutors. endobj Manystudentsstruggletounderstandwhenitisappropriatetoinferfromanargument, andwhenitisnot. False. If BDE and ACE are straight lines, intersecting at E, prove that AEB is isosceles. Work out the size of the angle marked x.Give reasons for your answer. 2.Western India (Boys & Girl) Sub-Junior, Junior & Senior. Thus =20 Work out with . Call the intersection of AB and CD E. Now, we want to form a line perpendicular to CD. SOP is a straight line. AC= CD, angle ABC= 45 degrees and - Brainly.com madtoe430 06/04/2020 Mathematics High School answered ABCE is a cyclic quadrilateral. FAQ's in 2 mins or less, How to get 6.0 on Promote & develop Chaunna soccer as a competitive sport and regulate in-between youths of our nation without biases of color & gender. 21 The straight line joining the points with coordinates a, 22 . In the figure, ACE, BCF and DCG are straight lines and AB - Byju's 15. In the diagram, BCD is a straight line and ABDE is a quadrilateral. Box 4666, Ventura, CA 93007 Request a Quote: bridal boutiques in brooklyn CSDA Santa Barbara County Chapter's General Contractor of the Year 2014! Angle ACD is supplementary to angles ACE and BCD and congruent to angle BCE. Bonded Trucking Companies In Los Angeles, View F2Math-Ch09-Introduction to Deductive Geometry-Notes.pdf from ECN 202 at Immaculate Heart of Mary College. endobj 5.2 cm. ace and bcd are straight lines - filt-web.design Using similar triangles AEF and CDE: 159=12. Through any point in the bisector of an angle, a straight line is drawn parallel to either arm of the angle. 79 0 obj (2) 4 cm AB: AC = 1: 3 (2) A 20 Euro note is a rectangle 133 mm long and 72 mm wide. (a) Prove that AABC - AEDC. cm (2) (Total for question = 4 marks) Q4. B C D A 30 20 70 The figure shows two straight lines L 1 and L 2 on a rectangular coordinate plane. Then use the previous line as a guide for the next one. CHAUNNA played into a mini size of ground with (6 + 3 a side format), Federation for India is an Affiliated body from Asian Chaunna Soccer Confederation. (a) Find the value of Because angles in the same segment. geometry - Length of Triangle BCD - Mathematics Stack Exchange 0000004167 00000 n Option B. AB//DE. About Us Become a Tutor Blog. To find, We have to find the value of x. ik its a lot but even just a little help would be very mich appreciated :)) Jacob is driving th The probability that she wins is 0.3. Total classes on Filo by this tutor - 7066, Connect with 50,000+ expert tutors in 60 seconds, 24X7. In the given figure (not drawn to scale), ACE and BCD are straight lines. BCFI. Let .Observe that because they subtend the same arc, .Furthermore, because is an angle bisector, so by . <> stream K <> L{:%t-.aN5 AB = 9 cm. endstream ABE is a straight line. In the figurc, ACE and BCD are straight lines, A450 Find AB, IF P(X)=2X^2-X+5 THEN FIND THE VALUE P(3). cm (2) (b) Calculate the length of CE. POR and SOQ are straight lines. , BCD = 90 - 60 = 30 A 3 0 . In the given figure (not drawn to scale), ACE and BCD are straight lines. In the figure, ACE and BCD are straight lines. Angle EAC = 40 Angle ACE = 30 Work out the size of angle x. Calculate the length of a direct common tangent to two circles of radii 3 cm and 8 cm with their centres 13 cm apart. Pearson-UK:Exam-Series/June-2011 2007 Ace Authentic Straight Sets On The Line Autographs #OL18 Rodionova. 0000002924 00000 n BE is parallel to CD. Register for Target Test Prep's online classes and accelerate your study timeline. % BC and AC are tangents to the circle. RIE I IS RE RIE I IS RE RIE I IS RE RIE I IS RE RIE I IS RE RIE I IS RE 22 A D B E C Diagram NOT accurately drawn In the diagram ACE and BCD are straight lines such that the point C is the midpoint of BD. !`qjA(Ab`#H`!s_6CCN/(s+b=|\ZuoYJtsUV_(UXs0WK2, P38579A IGCSE Mathematics A 4MA0_3H May 2011.indd, Pearson-UK:Category/Question-papers-and-mark-schemes, Pearson-UK:Qualification-Family/International-GCSE, Pearson-UK:Qualification-Subject/Mathematics-A, Pearson-UK:Specification-Code/igcse-mathsA. 85 32 . In the given figure (not drawn to scale), ACEandBCDare straight lines. ACE and BCD are straight lines. 0000028949 00000 n <> stream 0000006428 00000 n CONVEX AND NONCONVEX POLYGONS 397 Background 397 1. 0000017753 00000 n A new cell phone costs C dollars and lasts for at most 3 years. AC =CD, angle ABC = 45 and angle ACE =20. VIEW SOLUTION. D C A B In the picture above, \ACB =BCD, so CB is the angle bisector of \ACD . of this worlds most popular game. Find Y . AC =CD, angle ABC = 45 and angle ACE =20. A straight line can be formed between two points also but both the ends extend to infinity. In the given figure( not drawn to scale), ABC and CDE are straight PDF winwoodmaths.online Board of CHAUNNA (6 a side Soccer) Federation for India. Here, BCD is a straight line. Calculate : Angle BCD. Work out angle ECD. With a sheet of blank paper, a pencil, and a straightedge, you can construct a line easily: Draw two dots on the paper, some distance from each other; these are Points Use the straightedge to connect the two Points with a pencil line, and extend the line far past both Points One-on-One GMAT Skype classes l On-demand Quant, Re: If BCD is a straight line and angle A = 40, then angle ACD contains [, Learn Sentence Correction Strategies with 780 Scorer. 1. Fig. AC= CD, angle ABC= 45 degrees and - Brainly.com madtoe430 06/04/2020 Mathematics High School answered ABCE is a cyclic quadrilateral.