Right triangle and trigonometry help! Please help!

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asked Mar 6, 2018 26.4k views

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Lytze · Answer 1 · 2018-03-12T15:19:38+0000

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

Right triangle and trigonometry help! Please help!

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