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angle is 90 degrees and longest side is 15cm while other side is 6cm what is the angle XYZ

 Feb 15, 2020
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cos(Y)  =  adjacent / hypotenuse  =  6/15

cos(Y)  =  0.4000

        Y  =  cos-1(0.4000)

        Y  =  66.4o

 Feb 15, 2020

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