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f m∠A = m∠B and m∠A + m∠C = ∠D, then m∠B + m∠C = ∠D. Which property is shown? reflexive property substitution property symmetric property transitive property

Answer :

A = B
A + C = D
B + C = D

this is substitution....u just subbed in B for A

The answer is...

B-substitution property

I just took the test.

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