A hemispherical vessel of radius 14cm is fully filled with sand.the heap of the sand forms a cone shape of height 7. Calculate the area of ground occupied by the circular base of the heap of the sand
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Answer:
2464
Step-by-step explanation:
Jeeth3:
How
concept-same volume
v of hemisphere= v of cone
2(pi)r^3/3 = (pi)r^2h/3
2r^3=r^2h
on solving..,we get r=28.
since area is reqd..
ar of circle=(pi)r^2
=22*4*28
ans=2464 cm sq
v of hemisphere= v of cone
2(pi)r^3/3 = (pi)r^2h/3
2r^3=r^2h
on solving..,we get r=28.
since area is reqd..
ar of circle=(pi)r^2
=22*4*28
ans=2464 cm sq
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