Question

The total surface area of a cube whose volume is 216 m3 is

Answer 1

Answer:

 volume of cube = a3.......(i) 

given volume of cube=216-(6)3.....(ii) 

on comparing both sides,

 we have a=6 m

Step-by-step explanation:

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Answer 2

Answer:

There are 6 faces. Each of these is a square. Each square has the same area. The area is 216/6 = 36. The length of the side of the square is the square root of 36 = 6.

The volume of the cube is length x width height = 6 x 6 x 6 = 216.