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lions [1.4K]
3 years ago
14

Angle A and B are supplementary. If m∠A = 143°, find m∠B.

Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0
Since angle a is 143° you’d subtract 143 by 180 because a supplementary angle is 180° which would give you 37° for angle b
Answer: 37°
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