Mathematics
The radius and height of a solid metallic cone are r cm each. The volume of the cone is : 1. 2. 3. 4.
Related Questions
Two right circular solid cylinders have radii in the ratio 3 : 5 and heights in the ratio 2 : 3. Find the ratio between their :
(i) curved surface areas.
(ii) volumes.
A conical toy tent-house, 28 cm in radius and 21 cm in height, is made from a rectangular sheet of paper 22 cm wide. The smallest length of the paper sheet required is :
84 cm
42 cm
72 cm
140 cm