Editor
Editor
 Sep 18, 2022
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In triangle ABC, a=32, b=20 and c=40. Then the value of angle $\beta$ is
Difficulty: Easy
A: 
$30^{\circ}$
B: 
$60^{\circ}$
C: 
$32^{\circ}$
D: 
$45^{\circ}$
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NETNUST Entry TestMathematicsFundamentals of Trignometry