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

If m ZA = 87º and mZB = 32°, find m21.-example-1
User Chiara
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1 Answer

6 votes

Answer:

Explanation:

∠1 = ∠A + ∠B

{ exterior angle equals the sum of opposite interior angles }

= 87 + 32

= 119

User Adam Nellis
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