Question

by melting a solid circular cone, a solid right circular cylinder of Same radius is made whose height is 5cm. the height of the cone is what​

Answer 1

Answer:

15 cm

as we know that

the volume of cylinder = volume of cone

πr2h=(πr2h)/3

since radius is same

5=h/3

h=15cm

Answer 2

Answer:

15 cm

Step-by-step explanation:

let the height of the cone = h

volume of the cone = 1/3 πr²h

volume of the cylinder = π r²h

= π r²x 5

then,

or, 1/3 π r² h = π r²x 5

by doing cancle π r²

then we get,

h = 5x 3 cm

= 15 cm