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wolverine [178]
2 years ago
13

4. Angles A and B are supplementary. If mA = 67, find mB

Mathematics
1 answer:
qaws [65]2 years ago
5 0

Answer:

113 degrees

Step-by-step explanation:

Two angles are called supplementary when they add up to 180 degrees

180 = x + y \\  180 = 67 + y \\ y = 180 - 67 \\  y = 113 \\ therefore \: mB \:  = 113

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