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07-07-2017
Mathematics

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Right triangle and trigonometry help! Please help!

Right triangle and trigonometry help Please help class=

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mreijepatmat mreijepatmat

07-07-2017

First let's find the mesure of the missing ANGLE: Missing angle = 180° - (42°+ 87°) = 51°

cos 51° = (adjacent side)/(hypotenuse) = x/43
0.629320.91 = x/43
and x = 27.1

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