Question

find the volume and surface area of the cube whose side are i]5cm ii)4.5cm iii)8cm iv)3.5cm v)6cm​

Answer 1

Given:

The cube whose side are i]5cm ii)4.5cm iii)8cm iv)3.5cm v)6cm​

To find:

The volume and surface area

Solution:

We know,

$\boxed{\bold{Volume \:of\:a \:cube = Side^3}}\\\\\boxed{\bold{Curved\:Surface\:Area \:of\:a \:cube = 4\times Side^2}}\\\\\boxed{\bold{Total\:Surface\:Area \:of\:a \:cube = 6\times Side^2}}$

Cube with side = 5 cm:

Volume = 5³ = 125 cm³

C.S.A = 4 × 5² = 100 cm²

T.S.A = 6 × 5² = 150 cm²

Cube with side = 4.5 cm:

Volume = 4.5³ = 91.125 cm³

C.S.A = 4 × 4.5² = 81 cm²

T.S.A = 6 × 4.5² = 121.5 cm²

Cube with side = 8 cm:

Volume = 8³ = 512 cm³

C.S.A = 4 × 8² = 256 cm²

T.S.A = 6 × 8² = 384 cm²

Cube with side = 3.5 cm:

Volume = 3.5³ = 42.875 cm³

C.S.A = 4 × 3.5² = 49 cm²

T.S.A = 6 × 3.5² = 73.5 cm²

Cube with side = 6 cm:

Volume = 6³ = 216 cm³

C.S.A = 4 × 6² = 144 cm²

T.S.A = 6 × 6² = 216 cm²

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Answer 2

Step-by-step explanation:

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