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Angel wants to prove that the measures of the 3 angles in a triangle always have a sum of 180°. He decided to prove this conjecture using rigid motion. He began with triangle ABC shown in Figure 1. Figure 1 Rigure 2

Angel wants to prove that the measures of the 3 angles in a triangle always have a sum of 180°. He decided to prove this conjecture using rigid motion. He began with triangle ABC shown in Figure 1. Figure 1 Rigure 2

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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Task: Use the information to answer questions Instructions Use the information to answer the questions Angel wants to prove that the measures of the 3 angles in a triangle always have a sum of 180°. He decided to prove this conjecture using rigid motion. He began with triangle ABC shown in Figure 1. Figure 1 Figure 2 Which statement best describes the rigid motion she used in Figure 2 to support his proof? novo & 2$ @ 5 6 2 3 e k f b n C 6.0
Transcribed Image Text:Task: Use the information to answer questions Instructions Use the information to answer the questions Angel wants to prove that the measures of the 3 angles in a triangle always have a sum of 180°. He decided to prove this conjecture using rigid motion. He began with triangle ABC shown in Figure 1. Figure 1 Figure 2 Which statement best describes the rigid motion she used in Figure 2 to support his proof? novo & 2$ @ 5 6 2 3 e k f b n C 6.0
Activity 2 of 2 How does Angeľ's diagram prove that angles a° + b° +c° = 180°? Explain your thinking. novo DII 23 2$ & 2 3 9. e r t d f h C V 6.0
Transcribed Image Text:Activity 2 of 2 How does Angeľ's diagram prove that angles a° + b° +c° = 180°? Explain your thinking. novo DII 23 2$ & 2 3 9. e r t d f h C V 6.0
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