In triangle ABC, if $\beta=80^{\circ}$… | ClassNotes

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In triangle ABC, if $\beta=80^{\circ}$… | ClassNotes

E

Editor

Sep 18, 2022

In triangle ABC, if $\beta=80^{\circ}$ a=9.3cm, c=101cm, then the angle $\alpha$ is

Difficulty: Easy

A:

17.68^{\circ}

B:

47^{\circ}

C:

27.7^{\circ}

D:

19^{\circ}

ID: 63273db9ca83163ac3a10a1f