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The three perpendicular distances of thr...

The three perpendicular distances of three sides of an equilateral triangle from a point which lies inside that triangle are 6 cm, 9 cm and 12 cm respectively. The perimeter of the triangle is :-
किसी समबाहु त्रिभुज के तीनो भुजाओं से समबाहु त्रिभुज के अन्दर एक बिंदु से लंबवत दूरी क्रमशः 6 सेमी 9 सेमी और 12 सेमी है, तो त्रिभुज का परिमाप ज्ञात करें-

A

`55 sqrt2 cm`

B

`54 sqrt3 cm`

C

`42 sqrt2 cm`

D

`45 sqrt3 cm`

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