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Given that mCD=20°, find mBC
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1 vote
Given that mCD=20°, find mBC

Given that mCD=20°, find mBC-example-1
User Karim Sonbol
by
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1 Answer

2 votes

Answer:

70°

Explanation:


m\widehat {BC} = 90\degree - m\widehat {CD}


m\widehat {BC} = 90\degree -20\degree


m\widehat {BC} = 70\degree

User Delkaspo
by
4.9k points
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