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The radius of sphere is 2r, …

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The radius of sphere is 2r, then find its volume

Posted by Tauheed Pasha 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Ayush Kalwar 5 years, 10 months ago

If it's radius is 2r then it's volm will increase 4 times Volm = (4/3)x(22/7)x[(2r)^2] i.e.=(4/3)x(22/7)x(4xr^2)

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Gungun Ghosh 5 years, 10 months ago

The radius of sphere is 2r Volume =2×22÷7×r^3 Then Placing the value of 2r 2×22÷7×(2r)^3 (44)÷7×8r^3 (44×8)÷7×r^3 (264÷7 )÷r^3 Ans -36r^3

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