Question

Solve the right triangle shown in the figure. (Round your answers to two decimal places.)

Answer 1

Explanation:

(3). cos A =
`(b)/(c)`

cos A =
`(1.77)/(17.7)` = 0.1 ⇒ A ≈ 84.26°

B ≈ 5.74°

C = 90°

a ≈ 17.61

(4). cos 16° =
`(79)/(x)` ⇒ x ≈ 82.18 ≈ 82.2 ≈ 82