Question

A metal sheet 27 cm long 8 cm broad and 1 cm thick is melted into a cube. The side of cube is??

Answer 1

solution,

TSA = 2 ( lb + bh + lh )

2 ( 27 × 8 + 8 × 1 + 27 × 1 )

502 cm ^ 2

Area of cube = 6 L^2

502 = 6 L^2

83.67= L^2

L = 9.14 cm

So the side of a cube is 9.14 cm.

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