Question 68

The volume of a cube is 343 cm$$^3$$. The edge of cube is:

Solution

Let the edge of the cube = a

Volume of the cube = a$$^3$$

Given, Volume of the cube = 343 cm$$^3$$

$$\Rightarrow$$ a$$^3$$ = 343

$$\Rightarrow$$ a$$^3$$ = 7$$^3$$

$$\Rightarrow$$ a = 7 cm

$$\therefore\ $$Edge of the cube = 7 cm

Hence, the correct answer is Option A

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