gordillocarlos2 gordillocarlos2
  • 08-01-2018
  • Mathematics
contestada

If ∠A and ∠B are vertical angles, and ∠A = 21°, find ∠B.

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choixongdong
choixongdong choixongdong
  • 08-01-2018
If ∠A and ∠B are vertical angles then <A = <B
so if ∠A = 21° then ∠B = 21°
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