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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
In ∆PQR,sin P = QR/PRsin 25.3° = 7.4/PR0.42=7.4/PRPR =7.4/0.42=17.61 AnswerThus, the length of hypotenuse or PR can be determined by using trigonometric function sine for angle P .
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