Question

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Look at the figure shown below.

A student made the table below to show the steps to prove that DC is equal to EC.
A. Provide the missing statement and justification in the proof.
B. Using complete sentences, explain why the proof would not work without the missing step.

Answer 1

Whoops lol, I posted the wrong question, hold on, one sec..

Answer 2

Look at the figure shown below..


A student made the table shown below to prove that XY is equal to YZ.

Statements Justifications

NY = MY

Given

m∡MYX = m∡NYZ

Given

m∡XNY = m∡ZMY

Given



m∡MYZ = m∡MYX + m∡XYZ

Angle Addition Postulate

m∡MYZ = m∡NYZ + m∡XYZ

Substitution

m∡NYX = m∡MYZ

Transitive Property

triangleXYN ≅ triangleZYM

ASA postulate

XY = ZY

CPCTC


A. Provide the missing statement and justification in the proof.

B. Using complete sentences, explain why the proof would not work without the missing step.