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Given that right angled triangle PQR angle Q=90deg
Angle p=25.3DEG AND QR=7.4cm
Calculate the length of PR

Anasanchez , 5 Years ago
Grade 10
anser 1 Answers
Sk
In ∆PQR,
sin P = QR/PR
sin 25.3°   = 7.4/PR
0.42=7.4/PR
PR =7.4/0.42=17.61 Answer
Thus, the length of hypotenuse or PR can be determined by using trigonometric function sine for  angle P .
Last Activity: 5 Years ago
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