AMC 8 2024 Problem 22

AMC8 2024 年第 22

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A roll of tape is 4 inches in diameter and is wrapped around a ring that is 2 inches in diameter. A cross section of the tape is shown in the figure below. The tape is 0.015 inches thick. If the tape is completely unrolled, approximately how long would it be? Round your answer to the nearest 100 inches.
下图为一卷胶带的横截面。胶带直径为4英寸,其中包裹着一个直径为2英寸的圆环。胶带厚度为0.015英寸。请问这卷胶带全部展开大约有多少英寸?请将答案四舍五入到最接近的百位数。
AMC 8 2024 Problem 22 figure
  1. A.300
  2. B.600
  3. C.1200
  4. D.1500
  5. E.1800

正确答案 · Correct Answer

B

解析 · Solution

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