Q. 74.0( 32 Votes )

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Answer :

Let the radius of base be r.

Let the height of cone = H


Height of cylinder, h = 3cm


Area of base, A = 100 sq. cm


As we know the area of circle is πr2


πr2 = 100 ….. (1)


Volume of complete solid figure,V = Volume of cone + volume of cylinder




It is given that volume of solid figure, V = 500 cubic cm


On substituting the value of V and πr2 from eq (1), we get,



H = 6 cm


Total height of figure = h + H = 3 + 6 = 9 cm


total height is 9 cm


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