Solve for x in the triangle. Round your answer to the nearest tenth.

Question

asked Apr 18, 2019 144k views

1 Answer

Kaloglu · Answer 1 · 2019-04-24T02:56:05+0000

cos = adjacent/hypotenuse

cos 31° = 20/x

Cross multiply.

0.8571673007x = 20

Divide both sides by cos 31°.

x = 23.3 (rounded to nearest tenth).