Question

The volume of a cube is 216cm³. It's total surface area is​

Answer 1

Answer:

The surface area of a cube = 6a2 where a is the length of the side of each edge of the cube. Put another way, since all sides of a cube are equal, a is just the lenght of one side of a cube. We have 96 = 6a2 → a2 = 16, so that's the area of one face of the cube.

Step-by-step explanation:

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Answer 2

Answer:

$216 \: c {m}^{2}$

Step-by-step explanation:

$Formula \: of \: volume \: of \: a \: cube \: = \: {a}^{3}$

$ATQ, {a}^{3} = 216 \\ =>a = \sqrt[3]{216} \\ => a = 6$

$Formula \: for \: the \: total \: surface \: area \: of \: a \: cube \: = \: 6{a}^{2} \\ Total \: surface \: area = 6( {6})^{2} \\ = 216 \: c {m}^{2}$

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