Proof: Angle Symmetry B

Let's prove the following theorem:

if m∠ABC = m∠XYZ, then m∠CBA = m∠XYZ

A B C X Y Z

Proof:

View as a tree | View dependent proofs | Try proving it

Given
1 m∠ABC = m∠XYZ
Proof Table
# Claim Reason
1 m∠ABC = m∠CBA m∠ABC = m∠CBA
2 m∠CBA = m∠XYZ if m∠ABC = m∠CBA and m∠ABC = m∠XYZ, then m∠CBA = m∠XYZ
Previous Lesson

Comments

Please log in to add comments