The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7
cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?
The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7
cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?
1). 1 : 4 : 8
2). 1 : 3 : 5
3). 1 : 3 : 9
4). 1 : 6 : 1 2
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Other Questions
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