Question

PLEASE HELP! A) 9 B) 8.6 C) 26.3 D) 5.7

Answer 1

x = 9.0

Explanation:

Since this is a right triangle, we can use trig functions

cos theta = adj/ hyp

cos 39 = 7/x

x cos 39 = 7

x = 7/cos 39

x =9.007316961

x = 9.0