Cube surfce2volume

Calculate the volume of the cube if its surface is 150 cm².

Correct answer:

V =  125 cm³

Step-by-step explanation:

$$\begin{gathered} S=150{\text{cm}}^2 \\ S=6a^2 \\ a=\sqrt{S\mathrm{/}6}=\sqrt{150\mathrm{/}6}=5\text{ cm } \\ V=a^3=5^3=125{\text{cm}}^3 \end{gathered}$$

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