A triangle has a hypotenuse of 14 inches. Angle A is equal to 72 degrees. Find the length of the adjacent side. Round the solution to the nearest hundredth.

Question

asked Oct 19, 2021 228k views

1 Answer

Wouzz · Answer 1 · 2021-10-24T04:38:46+0000

Answer:

b = 4.33 in

Explanation:

angle A = 72°

hypotenuse = 14 in

Required: Adjacent side length (b)

use the formula Cos A = adjacent / hypotenuse

cos (72) = b / 14

b = cos (75) * 14

b = 4.33 in