Question

The volumes of two similar cones are 36πcm3 and 288πcm3.
The base radius of the smaller cone is 3cm.
Calculate the base radius of the larger cone.

Answer 1

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Answer 2

asked: base radius of big cone

let v1:36pie r cm3

v2=288pir r cm3

v2/v1=k3 (k=similar scale)

k3=288/36

k3=8

k=3_/8

k=2 is the answer

base radius of small cone=3

so big cone=2×3=6

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