Question

Solve the triangle. Round answers to nearest tenth.

Answer 1

A = 58.5°

Set your calculator to degree mode.

sin(31.5°) = 15.3/c

c sin(31.5°) = 15.3

c = 15.3/sin(31.5°) = 29.3

tan(31.5°) = 15.3/a

a tan(31.5) = 15.3

a = 15.3/tan(31.5°) = 25.0