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Help pls! Determine the value of angle a
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5 votes
Help pls! Determine the value of angle a

Help pls! Determine the value of angle a-example-1
User Henrique Rotava
by
6.3k points

1 Answer

6 votes

Answer:

c.

Explanation:

AB=√(5²+8²)=√(25+64)=√89


cos A=8/√(89) =(8√(89) )/89

User Naheem
by
6.2k points
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