Question

the volume of a cube is 512 M cube. it is to be painted. if the cost of painting is rupees 5 per metre square, find the amount spent on painting the cube.

Answer 1

volume of cube=a³

so a³=512

a=8 m

so surface area of cube =6a²

6*8*8=6*64=384m²

so cost of painting is 5*384=1920

Answer 2

I hope this will help u