M∠A+ m∠B = ? How do you know this?

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Answer:

Explanation:

If m∠A + m∠B = m∠B + m∠C, subtract m∠B from both sides [ subtraction property of equality ].

We get that m∠A = m∠C and by the symmetric property of equality, m∠C = m∠A

Evan Byrne answered May 2, 2022

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