In △ A B C , AB = 20, BC = 21, and m ∠ B = 60 ∘.  Draw a triangle △ G E N that has two sides of length 20 and 21 and one 60-degree angle but that is not congruent to △ A B C.  Explain how you know they are not congruent.

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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  1. In △ A B C , AB = 20, BC = 21, and m ∠ B = 60 ∘.  Draw a triangle △ G E N that has two sides of length 20 and 21 and one 60-degree angle but that is not congruent to △ A B C.  Explain how you know they are not congruent.
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