A and B are two similar sectors with areas 36tt cm^2 and 25tt cm^2 respectively . Two right circular cones are formed by rolling uo the two sectors .
a ) Find the ratio of the base radius of the large cone to that of the small one .
b ) Find the ratio of the volume of the large cone to that of the small one .
Math一問~~~~~
2007-03-18 4:55 am
回答 (1)
2007-03-18 5:08 am
✔ 最佳答案
(a) (Ratio of base radius)^2 = Ratio of area = 36:25
Ratio of base radius = 6:5
(b)
Ratio of volume = (Ratio of base radius)^3
Ratio of volume = 216:125
收錄日期: 2021-04-12 18:47:28
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