AMC 8 2015 Problem 25

AMC8 2015 年第 25

面积与周长(综合)★★★★
One-inch squares are cut from the corners of this 5 inch square. What is the area in square inches of the largest square that can fit into the remaining space?
从边长为 5 英寸的大正方形的四个角落裁去 4 个边长为 1 英寸的小正方形,则能够放入剩余图形中的最大正方形的面积是多少平方英寸?
AMC 8 2015 Problem 25 figure
  1. A.9
  2. B.1212\displaystyle 12\frac{1}{2}
  3. C.15
  4. D.1512\displaystyle 15\frac{1}{2}
  5. E.17

正确答案 · Correct Answer

C

解析 · Solution

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