试题与答案

等边形三角形是旋转对称图形,它的旋转中心是______,绕它的旋转中心至少旋转_

题型:填空题

题目:

等边形三角形是旋转对称图形,它的旋转中心是______,绕它的旋转中心至少旋转______后能与自身重合.

答案:

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参考答案:A

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