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Write a proof for this form of Theorem 2-2. If two angles are supplements of congruent angles, then the two angles are congruent. Given: &l and Z2 are supplementary. Z3 and Z4 are supplementary. 22 = L4 Prove: 21 Z3

Write a proof for this form of Theorem 2-2. If two angles are supplements of congruent angles, then the two angles are congruent. Given: &l and Z2 are supplementary. Z3 and Z4 are supplementary. 22 = L4 Prove: 21 Z3

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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30. Write a proof for this form of Theorem 2-2. Proof If two angles are supplements of congruent angles, then the two angles are congruent. Given: &l and Z2 are supplementary. Z3 and Z4 are supplementary. Z2 = L4 3 4 Prove: 21 = 23
Transcribed Image Text:30. Write a proof for this form of Theorem 2-2. Proof If two angles are supplements of congruent angles, then the two angles are congruent. Given: &l and Z2 are supplementary. Z3 and Z4 are supplementary. Z2 = L4 3 4 Prove: 21 = 23
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