Question

In cylinder if radius is half and height is the doubled find the volume of steel


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Answer 1

Step-by-step explanation:

Volume of the cylinder is πr²h

hear the question is radius is halved it means

radius =r/2

height is doubled it means

height =2h

volume of cylinder = 22 /7 x (r/2)x(r/2) x 2h

then volume of cylinder will be 1/2πr²h

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Answer 2

Answer:

Here

Here radius = r/2

Here radius = r/2height = 2h

Here radius = r/2height = 2h volume of cylinder = πr^2h

Here radius = r/2height = 2h volume of cylinder = πr^2h= π(r/2)^2*2h

Here radius = r/2height = 2h volume of cylinder = πr^2h= π(r/2)^2*2h = (πr^2h)/2

Here radius = r/2height = 2h volume of cylinder = πr^2h= π(r/2)^2*2h = (πr^2h)/2.•. volume of new cylinder is half of the older one