Question

If the height and the radius of a cone are double,the volume of the cone becomes

Answer 1

Answer:

2×volume

Step-by-step explanation:

h=2h

r=2r

volume of cone =1/3 pie r2 h

=1/3 ×pie ×(2r)^2×2h

=1/3 ×pie ×4r2×2h

1/3×pie ×2(2r2 ×h)

2×volume

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Answer 2

Step-by-step explanation:

let the height = 2h

let the radius =2r

then the volume of cone=31πr2h

solutions =

=13π(2r)2(2h)

=8

hence volume of cone become 8 times