AMC 8 1994 Problem 4
AMC8 1994 年第 4 题
变换与对称★★☆☆☆
Which of the following represents the result when the figure shown below is rotated clockwise about its center?
以下哪个表示将下图绕其中心顺时针旋转 后的结果？
- A.
- B.
- C.
- D.
- E.
正确答案 · Correct Answer
B
解析 · Solution
Solution 1
Rotating the circle is 1/3 of a full turn. Going 1/3 clockwise of a full loop around the circle, the triangle would replace the square, the square would replace, the circle, and the circle would replace the triangle, .
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