If ΔABC ~ ΔQPR, \(\frac{{ar\;\left( {ABC} \right)}}{{ar\;\left( {{\rm{\Delta }}pQR} \right)}} = \frac{9}{4},\) AC = 12 cm, AB = 18 cm and BC = 15 cm, then PR is equal to∶

If ΔABC ~ ΔQPR, \(\frac{{ar\;\left( {ABC} \right)}}{{ar\;\left( {{\r

1.	If ΔABC ~ ΔQPR, \(\frac{{ar\;\left( {ABC} \right)}}{{ar\;\left( {{\rm{\Delta }}pQR} \right)}} = \frac{9}{4},\) AC = 12 cm, AB = 18 cm and BC = 15 cm, then PR is equal to∶
A.	20/3 cm
B.	12 cm
C.	8 cm
D.	10 cm
Answer» E.

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If ΔABC ~ ΔQPR, \(\frac{{ar\;\left( {ABC} \right)}}{{ar\;\left( {{\rm{\Delta }}pQR} \right)}} = \frac{9}{4},\) AC = 12 cm, AB = 18 cm and BC = 15 cm, then PR is equal to∶

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