:如图所示,抛物线y=-(x-m)²的顶点为A,直线l:y=x-m与y轴的交点为B,其中m>0(1)写出抛物线的对称轴和顶点坐标(用含M的式子表示)(2)若点A在直线L上求∠ABO的大小
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![:如图所示,抛物线y=-(x-m)²的顶点为A,直线l:y=x-m与y轴的交点为B,其中m>0(1)写出抛物线的对称轴和顶点坐标(用含M的式子表示)(2)若点A在直线L上求∠ABO的大小](/uploads/image/z/5915564-44-4.jpg?t=%3A%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D-%28x-m%29%26%23178%3B%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAA%2C%E7%9B%B4%E7%BA%BFl%3Ay%3Dx-m%E4%B8%8Ey%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAB%2C%E5%85%B6%E4%B8%ADm%3E0%EF%BC%881%EF%BC%89%E5%86%99%E5%87%BA%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E5%92%8C%E9%A1%B6%E7%82%B9%E5%9D%90%E6%A0%87%EF%BC%88%E7%94%A8%E5%90%ABM%E7%9A%84%E5%BC%8F%E5%AD%90%E8%A1%A8%E7%A4%BA%EF%BC%89%EF%BC%882%EF%BC%89%E8%8B%A5%E7%82%B9A%E5%9C%A8%E7%9B%B4%E7%BA%BFL%E4%B8%8A%E6%B1%82%E2%88%A0ABO%E7%9A%84%E5%A4%A7%E5%B0%8F)
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