PQR is a triangle, right angled at P. PQ=21 and PR=27 Find QR
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Answer:
34.2 (approx.)
Step-by-step explanation:
In ∆PQR
H²= P²+B² (by Pythagoras Theorem)
QR²= PQ²+PR²
QR²= (21)²+(27)²
QR²= 441+ 729
QR²= 1170
QR= √1170
QR= 34.2cm (approx.)
Hope It Helps :)
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