7. Use the bank to complete the flowchart proof. Given A+mZB=m/BCD Prove MACB+mZA+m4B = 180° A B C D

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
7.
Use the bank to complete the flowchart proof.
Given MZA+MAB= mBCD
Prove MACB+ZA+MAB= 180°
Glven
Bank
A
ACB and BCD are supplementary
m2A + m2B = m4BCD
Substitution Property of Equality
Definition of congruent angles
C
D
Definition of
supplementary angles
m/ ACB m/Á + m/8 = 180°
m4ACB+ m2BCD = 180°
Linear Pair Postulate
Transcribed Image Text:7. Use the bank to complete the flowchart proof. Given MZA+MAB= mBCD Prove MACB+ZA+MAB= 180° Glven Bank A ACB and BCD are supplementary m2A + m2B = m4BCD Substitution Property of Equality Definition of congruent angles C D Definition of supplementary angles m/ ACB m/Á + m/8 = 180° m4ACB+ m2BCD = 180° Linear Pair Postulate
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