Question

Solve for x. Round to the nearest tenth , if necessary . The image is below.

Answer 1

Explanation:

This is a RIGHT triangle

you must learn : S-O-H-C-A-H-T-O-A

Cosine = Adjacent leg /Hypotenuse

cos (61 degrees) = 5.5 / x

re-arrange to x = 5.5 / cos (61) <======use calculator to finish