Question

If radius of a cylinder is doubled and height is halved find the volume

Answer 1

Answer:

the volume will be halved

Step-by-step explanation:

let the radius be r and height  be h

volume =  πr²h

if the radius is halved then radius = r/2

and height is doubled ,so height= 2h

volume =(πr×r/4×2h)

            =π×r²×h/2

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