Question

find the volume of the cube whose surface area is 150 cm^2

Answer 1

FORMULA
surface area of cube = 6a²

in the question
surface area of cube = 150cm²
6a² = 150cm²
a² = 150 / 6
a² = 25
a = 25²
a = 5 cm.

now we have to find the volume of cube.
FORMULA
volume of cube = a³
here a we have 5 cm.
volume = 5³ = 125 cm


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