Question

find the surface area of cube whose volume is 64 cm3​

Answer 1

Volume of cube = 64 cm³

Let each side of cube be x.

According to the question :-

➝ x³ = 64 cm³

➝ x³ = 4³

➝ x = 4 cm

Therefore, length of each side of cube = 4 cm

Now , we have to find out surface area of cube.

➡️Surface area of cube (S.A) = 6a² [ where a is length of each side of cube ]

➝ S.A = 6 × (4)²

➝ S.A = 6 × 16

➝ S.A = 96 cm²

Answer :

The surface area of cube whose volume is 64 cm³ = 96 cm²

Additional-Information :

Volume of cylinder = πr²h

T.S.A of cylinder = 2πrh + 2πr²

Volume of cone = ⅓ πr²h

C.S.A of cone = πrl

T.S.A of cone = πrl + πr²

Volume of cuboid = l × b × h

C.S.A of cuboid = 2(l + b)h

T.S.A of cuboid = 2(lb + bh + lh)

C.S.A of cube = 4a²

T.S.A of cube = 6a²

Volume of cube = a³

Volume of sphere = (4/3)πr³

Surface area of sphere = 4πr²

Volume of hemisphere = ⅔ πr³

C.S.A of hemisphere = 2πr²

T.S.A of hemisphere = 3πr²

Answer 2

ANSWER : YOUR CORRECT ANSWER IS