Q. 145.0( 3 Votes )

# The diameters of two cones are equal. If their slant heights are in the ratio 5 : 4, the ratio of their curved surface areas, is

A. 4 : 5

B. 25 : 16

C. 16 : 25

D. 5 : 4

Answer :

We have,

Ratio of slant height of cones =

Ratio of curved surface area =

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