if the diameter of a cylinder is half then find the ratio between the volume of new and the old one?
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let the diameter is 2r
then the volume of cylinder is pi(r)sq.h
now diameter is 2r/2=r
then the volume is pi(r/2)sq.h
ratio=pi (r/2)sq.h/pi (r)sq.h
ratio=1/4
then the volume of cylinder is pi(r)sq.h
now diameter is 2r/2=r
then the volume is pi(r/2)sq.h
ratio=pi (r/2)sq.h/pi (r)sq.h
ratio=1/4
khushidhurwe:
thank u
ur wlcm
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