Question

The surface area of cube is 150m2. What is the length of its diagonal in cm

Answer 1

Answer:

given ,

total surface area of cube = 150 m²

6a² 150

a² = 150 / 6

    = 23 m

length of each side is 23 m

diagonal of cube is given as √3a²

diagonal = √3×23

               = √69

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