如图,在平面直角坐标系中,O为坐标原点,圆c的圆心坐标为(2,-2),半径为根号2,函数y=-x+2的图像与x轴交于点A,与y轴交于点B,点P为AB上一动点当直线PO与圆C相切时,求∠POA的度数;当直线PO与圆C相
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![如图,在平面直角坐标系中,O为坐标原点,圆c的圆心坐标为(2,-2),半径为根号2,函数y=-x+2的图像与x轴交于点A,与y轴交于点B,点P为AB上一动点当直线PO与圆C相切时,求∠POA的度数;当直线PO与圆C相](/uploads/image/z/2390772-12-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2CO%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E5%9C%86c%E7%9A%84%E5%9C%86%E5%BF%83%E5%9D%90%E6%A0%87%E4%B8%BA%EF%BC%882%2C-2%EF%BC%89%2C%E5%8D%8A%E5%BE%84%E4%B8%BA%E6%A0%B9%E5%8F%B72%2C%E5%87%BD%E6%95%B0y%3D-x%2B2%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9B%2C%E7%82%B9P%E4%B8%BAAB%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%E5%BD%93%E7%9B%B4%E7%BA%BFPO%E4%B8%8E%E5%9C%86C%E7%9B%B8%E5%88%87%E6%97%B6%2C%E6%B1%82%E2%88%A0POA%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%9B%E5%BD%93%E7%9B%B4%E7%BA%BFPO%E4%B8%8E%E5%9C%86C%E7%9B%B8)
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