gordillocarlos2 gordillocarlos2

08-01-2018
Mathematics

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

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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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