1.

The total surface area of a cube is 1350 sq.m. Find its volume.

Answer»

Given T.S.A. of a cube 6l2 = 1350

I2 = 1350/6

I2 = 225

∴ l =√225 = 15m

∴ Volume of the cube = l3

= 15 × 15 × 15 

= 3375 m3



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