Question

How to find the perimeter of the triangle ?

Answer 1

5.448

5.450 (simplified)

Explanation:

since it is a right triangle one of the angle is 90 degrees

first angle = 31

second angle = 90

first side = 5

use sines

perimeter = 5 + [5 / sin(31 + 30)] * [sin(31) + sin(90)] = 5.448