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qwelly [4]
3 years ago
11

PLEASE HELP!

Mathematics
1 answer:
Tanya [424]3 years ago
6 0

Answer:

R = 10.39^\circ

Step-by-step explanation:

Since you have the lengths of all the sides, you can use sine, cosine, or tangent to find the answer. Let's use the tangent ratio.

For angle C, AB is the opposite leg, and BC is the adjacent leg.

\tan C = \dfrac{opp}{adj}

\tan C = \dfrac{22}{120}

C = \tan^{-1} \dfrac{22}{120}

C = 10.39^\circ

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