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In QRS the measure of S=90, the measure of Q=29 and SQ=5 feet. find the length of QR to the nearest tenth.r​

User Bertolami
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1 Answer

18 votes
18 votes

Answer:

QR ≈ 5.7 ft

Explanation:

Using the cosine ratio in the right triangle

cos29° =
(adjacent)/(hypotenuse) =
(QS)/(QR) =
(5)/(QR) ( multiply both sides by QR

QR × cos29° = 5 ( divide both sides by cos29° )

QR =
(5)/(cos29) ≈ 5.7 ( to the nearest tenth )

User VeXii
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