Question 66

If the lateral surface area of the cube is 144 cm$$^2$$ , then what is the length of its side?

Solution

If the lateral surface area of the cube is 144 cm$$^2$$.

the lateral surface area of the cube = 144

$$4\times\ \left(length\ of\ side\right)^2\ =\ 144$$

$$\ \left(length\ of\ side\right)^2\ =\ 36$$

length of the side = 6 cm

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