triangle pqr , pq= qr = 8cm , angle q=90 degree
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In triangle PQR,$ angle Q=90, find:
PR, if PQ=8cm and QR=6cm
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It is given that
PQ=8cm and QR=6cm
∠PQR=90
∘
Using Pythagoras Theorem
PR
2
=PQ
2
+QR
2
Substituting the values
PR
2
=8
2
+6
2
By further calculation
PR
2
=64+36=100
PR=√100
So we get
PR=10cm
solution
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