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The area of a field in the shape of a tr...

The area of a field in the shape of a triangle with each side x metre is equal to the area of another triangular field having sides 50m , 70m and 80m. The value of x is closest to :
प्रत्येक भुजा x मीटर वाले एक त्रिभुज का क्षेत्रफल एवं विमाओं 50m , 70m और 80m वाले त्रिभुज का क्षेत्रफल समान है,x का मान ज्ञात कीजिये ?

A

65.5

B

63.2

C

62.5

D

61.8

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