The radius and height of a right circular cone are in the ratio of 3 ratio 9 if its volume is 87485 M cube find its height and radius
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Answer:
Step-by-step explanation:
let the common factor be x
So radius and height would be 3x and 4 x respectively.
Volume of cone is 1/3 pi*r^2*h
so,
301.44=1/3 pi*36x^3
find appropriate value for x and then for slant height use pythagoras formula.
after finding x,multiply x by 3 to get radius and by 4 to get height.
Now by pythagoras theorem,
r^2 +h^2 =l^2
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