Question 230712
the hypotenuse of a right triangle PQR is 16 feet long. the sine of angle P is 3/5, about how many feet long is QR ? 
TRIANGLE 
P 
|.
|.....
|.......
|.........
|...........
|.............
|------------- R
Q
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sine(P) = QR/PR = 3/5
But PR = 16
So QR = 16(3/5)
QR = 48/5 = 9 3/5 ft
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