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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?

10 cm
15 cm
18 cm
24 cm

Correct Answer: 15 cm

Explanation:

∵ (1/3)πr² x h = πr² x 5
∴ h = 15 cm

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