3 years ago

If m ZA = 87º and mZB = 32°, find m21.

Mathematics

1 answer:

BaLLatris [955]3 years ago

6 0

Answer:

Step-by-step explanation:

∠1 = ∠A + ∠B

{ exterior angle equals the sum of opposite interior angles }

= 87 + 32

= 119

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