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# 3.Find the side of a cube whose surface area is $$600 cm^2$$?

Given, the surface area of cube is $$600 cm^2$$
Total surface area of a cube =$$6l^2$$

$$\Rightarrow 6l^2 = 600$$

$$\Rightarrow l^2 = 100$$

$$\Rightarrow l = \sqrt{100} = 10 cm$$

Hence, the required length of side = 10 cm.