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Write proofs in two-column form. 17. Given: XY = XZ; OY = 0z Prove: m L1 = m L 4 18. Given: XY = XZ; YÓ bisects 2XYZ; zó bisects 2XZY. Prove: YO ZO Y

Write proofs in two-column form. 17. Given: XY = XZ; OY = 0z Prove: m L1 = m L 4 18. Given: XY = XZ; YÓ bisects 2XYZ; zó bisects 2XZY. Prove: YO ZO Y

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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Write proofs in two-column form. 17. Given: XY = XZ; OY = 0z Prove: m L1 = m L 4 18. Given: XY = XZ; YÓ bisects 2XYZ; zó bisects 2XZY. Prove: YO ZO Y
Transcribed Image Text:Write proofs in two-column form. 17. Given: XY = XZ; OY = 0z Prove: m L1 = m L 4 18. Given: XY = XZ; YÓ bisects 2XYZ; zó bisects 2XZY. Prove: YO ZO Y
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