Question

Find the measure of the incanted angle to the nearest degree

Answer 1

`cosx = (53)/(55) \\ x = {cos}^( - 1) ( (53)/(55) ) \\ x = 15.4987`

Answer 2

15.5⁰ or approximately 16⁰

Explanation:

let unknown side be x

cos x= 53/55

cos x= 0.9636

x=cos inverse of 0.9636

x=15.5⁰