What is the measure of ∠R?

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Harden asked Dec 4, 2022

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21 votes

What is the measure of ∠R?

Mathematics
high-school

Harden asked Dec 4, 2022

by Harden

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13 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 )

Jon Hernandez answered Dec 6, 2022

by Jon Hernandez

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13 votes

Answer:

Answers and Steps are in Pictures.

Crowstar answered Dec 9, 2022

by Crowstar

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