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enyata [817]
2 years ago
7

Select the reason that best supports Statement 5 in the given proof.

Mathematics
1 answer:
docker41 [41]2 years ago
7 0

Answer:

B) Subtraction Property of Equality

Step-by-step explanation:

To get m∠B=77º, the problem subtracted 103º from both sides of 103º+m∠B=180º.

The Subtraction Property of Equality states that if x=y, then x-a=y-a.

In this case x=103º+m∠B, y=180º, and a=103º.

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