the surface area of a cube is equal to the surface area of a sphere .Find the ratio of their volumes.
please solve this question according to 1 marks
ans: √π\√6
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surface area of cube is 4a^2
surface area of sphere is 4×22÷7×r^2
4a^2=4×22÷7r^2
a^2=22÷7×r^2
a=√22÷7×r
volume of cube =a^3
volume of sphere is=4÷3×22÷7+×r^3
22÷7×r^3√22÷7:4÷3×22÷7×r^3
solve it u will get
√22÷7:√6
surface area of sphere is 4×22÷7×r^2
4a^2=4×22÷7r^2
a^2=22÷7×r^2
a=√22÷7×r
volume of cube =a^3
volume of sphere is=4÷3×22÷7+×r^3
22÷7×r^3√22÷7:4÷3×22÷7×r^3
solve it u will get
√22÷7:√6
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