Given the triangle ABC with $\beta=32^{\circ}$ a=42 and b=30 then angle $\alpha$ is

E

Editor

Sep 18, 2022

Given the triangle ABC with $\beta=32^{\circ}$ a=42 and b=30 then angle $\alpha$ is

Difficulty: Easy

A:

48^{\circ}

B:

132^{\circ}

C:

152^{\circ}

D:

a and b

ID: 63273db9ca83163ac3a109cb