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In a triangle Par right angled at QPQ-3 cm and PR = 9cmm, find the angle P |
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Answer» :
In ΔPQR; LQ=90 o
PQ=3cm; PR=6cm QR= 6 −3 2
=3 3
PR QR
= 6 3 3
= 2 3
So, LQPR=60 o ⇒ LQRP=30 o |
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