What is the measure of ∠R?

asked Mar 24, 2022 28.7k views

1 vote

3.9k points

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2 votes

Answer:

∠ R ≈ 36.9

Explanation:

Using the cosine ratio in the right triangle

cosR =
(adjacent)/(hypotenuse) =
(RT)/(RS) =
(8)/(10) , then

∠ R =
cos^(-1) (
(8)/(10) ) ≈ 36.9 (to 1 dec. place )

Vargas answered Mar 27, 2022

3.1k points

2 votes

Answer:

Answers and Steps are in Pictures.

Nevus answered Mar 30, 2022

by Nevus

3.3k points

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