Question

Use the inverse cosine to find the measure of angle Q.

RQ= 10
SQ= 6
Enter your answer in the box. Round only your final answer to the nearest tenth.
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Answer 1

∠ Q ≈ 53.1°

Explanation:

cos Q =
`(adjacent)/(hypotenuse)` =
`(QS)/(QR)` =
`(6)/(10)` , then

∠ Q =
`cos^(-1)` (
`(6)/(10)` ) ≈ 53.1° ( to the nearest tenth )