AMC 8 2019 Problem 9

AMC8 2019 年第 9

立体几何☆☆☆☆
Alex and Felicia each have cats as pets. Alex buys cat food in cylindrical cans that are 6 cm in diameter and 12 cm high. Felicia buys cat food in cylindrical cans that are 12 cm in diameter and 6 cm high. What is the ratio of the volume of one of Alex's cans to the volume one of Felicia's cans?
和 Felicia 他们都有宠物猫。Alex 买的宠物猫粮是装在底面直径为 6 厘米,高度 12 厘米的圆柱形罐子里的。Felicia 买的猫粮则装在底面直径是 12 厘米,高为 6 厘米的圆柱形罐子里。问 Alex 的罐子的体积和 Felicia 的罐子的体积之比是多少?
  1. A.1:4
  2. B.1:2
  3. C.1:1
  4. D.2:1
  5. E.4:1

正确答案 · Correct Answer

B

解析 · Solution

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