PQR is a triangle right angled at P. If PQ =13cm and PR =5cm, find QR
plz tell with the explanation
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Step-by-step explanation:
<P=90 then QR is hypotenuse
according to Pythagoras rule:
QR^=PR^+PQ^
=5^+13^
25+169
QR^ =194
√QR^=√194
QR=QR^
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