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Question 5. Is AABC equilateral? Justify your answer. Recall: There is 180° in a triangle. Hint: Add the expressions, set = 180. Then, substitute the value of x into each expression to determine the angle measure C 4х- 20 3x x + 40 A B

Question 5. Is AABC equilateral? Justify your answer. Recall: There is 180° in a triangle. Hint: Add the expressions, set = 180. Then, substitute the value of x into each expression to determine the angle measure C 4х- 20 3x x + 40 A B

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question 5. Is AABC equilateral? Justify your answer. Recall: There is 180° in a triangle. Hint: Add the expressions, set = 180. Then, substitute the value of x into each expression to determine the angle measure. C 4x - 20 3x X + 40 A B
Transcribed Image Text:Question 5. Is AABC equilateral? Justify your answer. Recall: There is 180° in a triangle. Hint: Add the expressions, set = 180. Then, substitute the value of x into each expression to determine the angle measure. C 4x - 20 3x X + 40 A B
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