the diameter of right circular cylinder type bucket is 21 cm and its height is 40 cm the bucket is full of sand if sand is poured on the ground it forms a circular cone of height 15 cm find the area of ground on which sand cone stands
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2772cm2
Step-by-step explanation:
In a right circular cylinder,
d=21
r=10.5
h=40
In a conical sand
h= 15
volume of cylinder= Volume of cone
1/3πr2h=πr2h
r2=110.25*40/5
r2=882
area of ground=πr2
=22/7*882
=2772cm2
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