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Let triangle ABC ~ triangle QPR and (tri...

Let `triangle ABC ~ triangle QPR` and `(triangle ABC)/(triangle QPR)=9/4`, If AB = 9cm, BC =6 cm and AC = 12 cm then QR is equal to :
मान लीजिये कि `triangle ABC ~ triangle QPR` तथा `(triangle ABC)/ (triangle QPR)= 9/4` हैं | यदि AB = 9 सेमी, BC = 6 सेमी और AC = 12 सेमी है, तो QR का मान ज्ञात करें |

A

8 cm

B

12 cm

C

9 cm

D

16 cm

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