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Trigonometry

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Moderate

Acute Angle, Acute Triangle, ArcCosine, Law of Cosines

TRIG-N3OO@T

James Gunnin Created for Albert.io. Copyright 2016. All rights reserved

Given the above $\text{ triangle ABC}$, find $\text{ angle C}$ to the nearest tenth.

A

$\text{ angle C}\;=\;{ 87.8 }^{ o }$

B

$\text{ angle C}\;=\;{ 60.0 }^{ o }$

C

$\text{ angle C}\;=\;{ 32.2 }^{ o }$

D

$\text{ angle C}\;=\;{ 30.0 }^{ o }$