Question

URGENT HELP! SOLVE FOR A
answer choices : 24.6
27.8
18.7
44.2

Answer 1

9514 1404 393

Answer:

(b) 27.8

Explanation:

The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

cos(22°) = a/30

a = 30×cos(22°) ≈ 27.8