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Right triangle and trigonometry help! Please help!

Right triangle and trigonometry help! Please help!-example-1
User Jakogut
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1 Answer

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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
User Lytze
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