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triangle ABC ~ triangle RQP and PQ = 10 ...

`triangle ABC ~ triangle RQP` and PQ = 10 cm QR = 12 cm and RP = 18 cm. If `ar(triangle ABC) : ar (triangle PQR)=4: 9`, then AB is equals to :
`triangle ABC ~ triangle RQP` है तथा PQ = 10 cm QR = 12 cm and RP = 18 cm है | यदि `ar(triangle ABC) : ar (triangle PQR)= 4 : 9`, है, तो AB की लंबाई ज्ञात करें |

A

8 cm

B

12 cm

C

9 cm

D

`20/3` cm

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