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  • 25-10-2019
  • Mathematics
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If m ZA = 87º and mZB = 32°, find m21.

If m ZA 87º and mZB 32 find m21 class=

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devishri1977
devishri1977 devishri1977
  • 25-10-2019

Answer:

Step-by-step explanation:

∠1 = ∠A + ∠B          

                 { exterior angle equals the sum of opposite interior angles }

    = 87 + 32

     = 119

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