15) In A XYZ, XY = 4 cm, YZ= 6 2 points
cm, XZ = 5 cm. If A XYZ- A
PQR and PQ= 8 cm, PR= 10 cm
then I(QR) = ......
........
*
O 12 cm
O 11 cm
O
10 cm
O 15 cm
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∆XYZ ~ ∆PQR [Given] ∴ XY/PQ = YZ/QR = XZ/PR [Corresponding sides of similar triangles] ∴ PR = 10 cm ∴ QR = 12 cm, PR = 10 cm
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