Question

The volume of a cube is 0.729 cubic centimetre. Find its total surface area​

Answer 1

Answer:

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Answer 2

Answer:

The answer is -

Step-by-step explanation:

To find the total surface area of the cube given in the question

Follow some important formulas

The volume of the cube = 0.729 $cm^{3}$ [Given]

As,

we know that volume of a cube = $length^{3}$ or $l^{3}$

Now, equate the volume of the cube with its formula

That is,

volume of the cube given in the question = $length^{3}$ or $l^{3}$

0.729 = $length^{3}$ or $l^{3}$ or $Side^{3}$

length or side or $l$ = $(0.729)^{\frac{1}{3}}$

                              = $\sqrt[3]{0.729}$

side or length or $l$ = 0.9 $cm$

We know that total surface area of a cube = 6$l^{2}$

So,

$l$ = 0.9 cm

Total surface area = 6$l^{2}$

                               = 6$(0.9)^{2}$

                               = 6(0.81)

Total surface area = 486 $cm^{2}$

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