# SOLUTION: Find the length of the indicated side of triangle PQR. 1. The measure of Q= 90, measure of P=53 QR= 197, PR=? (find what PR equals) I just need an equation to solve this us

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: Find the length of the indicated side of triangle PQR. 1. The measure of Q= 90, measure of P=53 QR= 197, PR=? (find what PR equals) I just need an equation to solve this us      Log On

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 Click here to see ALL problems on Trigonometry-basics Question 109958: Find the length of the indicated side of triangle PQR. 1. The measure of Q= 90, measure of P=53 QR= 197, PR=? (find what PR equals) I just need an equation to solve this using trig.Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!since Q=90, this is a right triangle with PR as the hypotenuse and QR the side opposite angle P using trig, sin P=QR/PR ... so PR=QR/(sin P) ... PR=197/(sin 53)