Question

X=?
Answer choices
4
9
16

Answer 1

16

Explanation:

Since this is a right triangle,

cos theta = adjacent side/ hypotenuse

cos 60 = 8/x

Multiply each side by x

x cos 60 = 8/x *x

x cos 60 =8

Divide each side by cos 60

x = 8 / cos 60

x =16