Question

find the ratio of the curved surface areas of two cones ,if the diameters of their bases are equal and the slant height are in the ratio 3:4

Answer 1

diameters are equal = radius are equal
and pie value is equal
and the ratio of the slant heights = 3:4
therefore csa = pie*R*l = pie*R*l
therefore ratio of their curbed surface areas
=> 3:4

Answer 2

Answer:

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