Proof: Right Triangle Property

Let's prove the following theorem:

Proof:

Proof Table

#	Claim	Reason
1	∠ABC is a right angle	if △ABC is a right triangle, then ∠ABC is a right angle (Right Angle And Triangle 2)
2	m∠ABC = 90	if ∠ABC is a right angle, then m∠ABC = 90 (Right Angle Property)

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