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:
$19^{\circ}$
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ID: 63273db9ca83163ac3a10a1f