如图,已知正方形OABC在直角坐标系中,点A、C分别在x轴、y轴的正半轴上,点O在坐标原点.等腰直角三角板OEF 的直角顶点O在原点,E 、F分别在OA、OC上,且OA=4,OE=2将三角板OEF绕O点逆时针旋转若三角板
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![如图,已知正方形OABC在直角坐标系中,点A、C分别在x轴、y轴的正半轴上,点O在坐标原点.等腰直角三角板OEF 的直角顶点O在原点,E 、F分别在OA、OC上,且OA=4,OE=2将三角板OEF绕O点逆时针旋转若三角板](/uploads/image/z/4334025-57-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B7%B2%E7%9F%A5%E6%AD%A3%E6%96%B9%E5%BD%A2OABC%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E7%82%B9A%E3%80%81C%E5%88%86%E5%88%AB%E5%9C%A8x%E8%BD%B4%E3%80%81y%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E7%82%B9O%E5%9C%A8%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9.%E7%AD%89%E8%85%B0%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E6%9D%BFOEF+%E7%9A%84%E7%9B%B4%E8%A7%92%E9%A1%B6%E7%82%B9O%E5%9C%A8%E5%8E%9F%E7%82%B9%2CE+%E3%80%81F%E5%88%86%E5%88%AB%E5%9C%A8OA%E3%80%81OC%E4%B8%8A%2C%E4%B8%94OA%3D4%2COE%3D2%E5%B0%86%E4%B8%89%E8%A7%92%E6%9D%BFOEF%E7%BB%95O%E7%82%B9%E9%80%86%E6%97%B6%E9%92%88%E6%97%8B%E8%BD%AC%E8%8B%A5%E4%B8%89%E8%A7%92%E6%9D%BF)
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