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Math·Geometry and Trigonometry·Right triangles and trigonometry

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In triangle ABC, the measure of angle A is $30^{\circ }$ and the measure of angle B is $90^{\circ }$. If the length of side BC is 38 centimeters, what is the length, in centimeters, of side AB?

A

$38\sqrt{3}$

B

$38\sqrt{2}$

C

38

D

76