The surface area of a cube is 600 cm2 The length of its diagonal is ........

Quantitative Aptitiude (CLAT) Mensuration

The surface area of a cube is 600 cm2. The length of its diagonal is

Surface area of cube = 6 a²
600 = 6 a²
a² = 100 ____
a= _/100=10 cm
Diagonal of cube = _/3 a = _/3× 10 = 10 _/3^-- cm

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