in a cone if radius is trippled and height is made 1÷3then find the ratio of the volume of new cone to the original cone
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New volume÷original volume=3:1
Anonymous:
how it is 3:1?
pi , r^2 ,h
and
1:3*1/3 remains
3and 3 gets cancelled
then 1:1
cone volume πr^2h÷3,so if r is tripled and h is 1/3 then new volume is 3 times of original
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