Question

Find x.

15.4
17.1
30.9
34.4

Answer 1

17.1

Explanation:

did the quiz and I got it right

Answer 2

9514 1404 393

Answer:

(b) 17.1

Explanation:

The relevant trig function is ...

Cos = Adjacent/Hypotenuse

cos(42°) = x/23

x = 23·cos(42°) ≈ 17.0923

x ≈ 17.1