find the volume of a sphere whose surface area of a cube is 486 cm2 find the volume
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Surface area of a cube = 486 cm^2
6 a^2 = 486
a^2 = 486*/6
a^2 = 81
a = square root of 81
a = 9
Volume of a Sphere = 4/3(pi x r^3)
= 4/3 x 22/7 x 9 x 9 x 9 (value of pi =22/7or 3.14)
= 3054.86 cm^3
Volume of a cube = 9 x 9 x 9 = 729 cm^3
6 a^2 = 486
a^2 = 486*/6
a^2 = 81
a = square root of 81
a = 9
Volume of a Sphere = 4/3(pi x r^3)
= 4/3 x 22/7 x 9 x 9 x 9 (value of pi =22/7or 3.14)
= 3054.86 cm^3
Volume of a cube = 9 x 9 x 9 = 729 cm^3
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