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  1. Solve for the measure of side b.

 Feb 13, 2019
 #1
avatar+104756 
+2

We have a right triangle...we know the hypotenuse and want to know the side adjacent to the known angle....so....the cosine function seems appropriate...

 

cos 42 = b / 63.2

 

63.2 cos 42  = b ≈ 46.97 units

 

cool cool cool

 Feb 13, 2019

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