The surface area of a sphere of radius 5cm is five times the curved surface area of a cone of radius 4cm. Find volume of the come
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surface area of a sphere = 5 × curved surface area of a cone
4 π r³ = 5 ×(πrl)
from here you can find height asl =√r²+h²
then place the valuces in the formulae of volume of cone i.e., 1/3πr²h
4 π r³ = 5 ×(πrl)
from here you can find height asl =√r²+h²
then place the valuces in the formulae of volume of cone i.e., 1/3πr²h
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