∆ABC~∆QRP,AB=6cm,BC=4.5cm,QR=3cm.Find PR
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Step-by-step explanation:
Given △ABC∼△PQR
∴
area(△PQR)
area(△ABC)
=
QR
2
BC
2
⟹
16
9
=
QR
2
4.5
2
QR=
3
4×4.5
∴QR=6cm
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