The surface area of a sphere of radius 5cm is five time the area of the curved surface of a cone of radius 4cm.find the height and the volume of the cone ( taking π= 22/7)
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Surface area of sphere =5 times the area of curved surface area of cone
4πr^2=5πrl
Then solving it l =5
4πr^2=5πrl
Then solving it l =5
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