AMC 8 1994 Problem 19
AMC8 1994 年第 19 题
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Problem Around the outside of a 4 by 4 square, construct four semicircles (as shown in the figure) with the four sides of the square as their diameters. Another square, , has its sides parallel to the corresponding sides of the original square, and each side of is tangent to one of the semicircles. The area of the square is
在一个 4 × 4 正方形的四边外侧，以正方形的四条边为直径作四个半圆（如图所示）。另一个正方形 的各边与原正方形的对应边平行，且 的每条边都与一个半圆相切。正方形 的面积是
- A.16
- B.32
- C.36
- D.48
- E.64
正确答案 · Correct Answer
E
解析 · Solution
解析整理中
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