AMC 8 2002 Problem 23

AMC8 2002 年第 23 题

四边形与多边形★★★☆☆
A corner of a tiled floor is shown. If the entire floor is tiled in this way and each of the four corners looks like this one, then what fraction of the tiled floor is made of darker tiles?
图中显示了铺了瓷砖的地板的一个角。如果整个地板都是用这种方式铺成的,并且四个角中的每一个都和这个角一样,那么整个地板中有多少比例是用深色瓷砖铺成的?
  1. A.13\displaystyle \frac{1}3
  2. B.49\displaystyle \frac{4}9
  3. C.12\displaystyle \frac{1}2
  4. D.59\displaystyle \frac{5}9
  5. E.58\displaystyle \frac{5}8

正确答案 · Correct Answer

B

解析 · Solution

解析整理中

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