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prisoha [69]
2 years ago
8

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

Mathematics
2 answers:
jolli1 [7]2 years ago
8 0

Answer:  The correct option is (C) 63°.

Step-by-step explanation:  Given that two angles A and B are supplementary and m∠A = 117°.

We are to find the measure of angle B.

We know that

two angles are said to be supplementary if the sum of their measures is 180°.

So, for angles A and B, we must have

m\angle A+m\angle B=180^\circ\\\\\Rightarrow 117^\circ+m\angle B=180^\circ\\\\\Rightarrow m\angle B=180^\circ-117^\circ\\\\\Rightarrow m\angle B=63^\circ.

Thus, the measure of angle B is 63°.

Option (C) is correct.

saul85 [17]2 years ago
3 0
The measure of B. would be 63 degrees

i hope i helped

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