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6 votes
If m∠A = m∠B and m∠A + m∠C = m∠D, then

m∠B + m∠C = m∠D.

Which property is shown?

reflexive property
substitution property
symmetric property
transitive property

User Ian Wilson
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2 Answers

7 votes
substitution property
User Kubanczyk
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9 votes

Answer:

B

Explanation:

The answer is b. substitution property

User Csislander
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