A solid cone of height 12cm and radius 9 cm is recast into a solid sphere. Calculate the surface area of the sphere.
cone V= 1/3 pi r^2 h
sphere V= 4/3 pi r^3
area of sphere = 4r^2
how to find sphere of radius?
cone V= 1/3 pi r^2 h
sphere V= 4/3 pi r^3
area of sphere = 4r^2
how to find sphere of radius?
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