The material of a cone is converted into the shape of a

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The material of a cone is converted into the shape of a cylinder of equal radius . If the height of the cylinder is 5 cm. the height of the cone is ?

1. 10 cm
2. 15 cm
3. 18 cm
4. 24 cm

Correct Option: B

∵ (1/3)πr² x h = πr² x 5
∴ h = 15 cm