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The perimeters of two similar triangles ...

The perimeters of two similar triangles ABC and PQR are 78 cm and 46.8 cm, respectively. If PQ=11.7, then the length of AB is: दो समरूप त्रिभुजों ABC और PQR के परिमाप क्रमशः 78 सेमी और 46.8 सेमी है। यदि PQ=11.7, तो AB की लंबाई है:

A

23.4 cm

B

20 cm

C

24 cm

D

19.5 cm

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