【九下相似三角形判定】如图,Rt△ABC中,CD是斜边AB上的高.求证:AC²=AD·AB……如图,Rt△ABC中,CD是斜边AB上的高.求证:AC²=AD·AB,BC²=BD·AB,CD²=AD·DB
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![【九下相似三角形判定】如图,Rt△ABC中,CD是斜边AB上的高.求证:AC²=AD·AB……如图,Rt△ABC中,CD是斜边AB上的高.求证:AC²=AD·AB,BC²=BD·AB,CD²=AD·DB](/uploads/image/z/5191772-68-2.jpg?t=%E3%80%90%E4%B9%9D%E4%B8%8B%E7%9B%B8%E4%BC%BC%E4%B8%89%E8%A7%92%E5%BD%A2%E5%88%A4%E5%AE%9A%E3%80%91%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E4%B8%AD%2CCD%E6%98%AF%E6%96%9C%E8%BE%B9AB%E4%B8%8A%E7%9A%84%E9%AB%98.%E6%B1%82%E8%AF%81%EF%BC%9AAC%26%23178%3B%3DAD%C2%B7AB%E2%80%A6%E2%80%A6%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E4%B8%AD%2CCD%E6%98%AF%E6%96%9C%E8%BE%B9AB%E4%B8%8A%E7%9A%84%E9%AB%98.%E6%B1%82%E8%AF%81%EF%BC%9AAC%26%23178%3B%3DAD%C2%B7AB%2CBC%26%23178%3B%3DBD%C2%B7AB%2CCD%26%23178%3B%3DAD%C2%B7DB)
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