the radius of a cylindrical container of height is 42 cm is 7 cm . if the container onto cone shaped container of height 14 cm , its radius will be
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The cylindrical container is converted into cone . therefore there volume will be the same.
volume of cylinder = pi*r*r*h
volume of cone=1/3 * pi * r*r*h
22/7 * 7 * 7 * 42 = 1/3 * 22/7 * r * r* 14
on solving this you will get :-
r^2 = 546
r=23.37 cm
radius of the circle is 23.37 cm
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