Question

In △EFG the measure of ∠G=90°, EF = 5.2 feet and FG = 1.6 feet. Find the measure of ∠F to the nearest degree.

Answer 1

72°

Explanation:

cos x = 1.6/5.2 = 0.3077

x = cos`¹ 0.3077 = 72°