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In triangle PQR right angled at Q , PQ =3 cm and PR =6cm. Determine angle QPR and angle PRQ

Posted by Soumya Tiwari 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

. . 6 years, 10 months ago

Given PQ=3cm and PR=6cm. So, PQ/PR =sinR Sin R=3/6=1/2 And sin at 30° is 1/2 so angle PRQ = 30 ° therefore angle QPR = 60 ° [Bcs sin P = QR/PR

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