3 years ago

∠A and ∠ B are supplementary. If m ∠A = 117°, what is the measure of ∠B?

2 answers:

Dimas [21]3 years ago

8 0

63 degrees because 180-117 is 63.

7 0

Supplementary=Add up to 180.
<A+<B=180
117+x=180
180-117=63
63=<B

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