已知:AB是圆O的直径,弦CD⊥AB于点G,E是直径AB上一点,直线DE交圆O于点F,(1)当点E在直径AB上时,试证明OE*OP=r^2 这问我已经证出来了,不用劳烦打字了!(2)当点E在AB(或BA)的延长线上时,以如图2点E
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![已知:AB是圆O的直径,弦CD⊥AB于点G,E是直径AB上一点,直线DE交圆O于点F,(1)当点E在直径AB上时,试证明OE*OP=r^2 这问我已经证出来了,不用劳烦打字了!(2)当点E在AB(或BA)的延长线上时,以如图2点E](/uploads/image/z/14100365-29-5.jpg?t=%E5%B7%B2%E7%9F%A5%3AAB%E6%98%AF%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84%2C%E5%BC%A6CD%E2%8A%A5AB%E4%BA%8E%E7%82%B9G%2CE%E6%98%AF%E7%9B%B4%E5%BE%84AB%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E7%9B%B4%E7%BA%BFDE%E4%BA%A4%E5%9C%86O%E4%BA%8E%E7%82%B9F%2C%EF%BC%881%EF%BC%89%E5%BD%93%E7%82%B9E%E5%9C%A8%E7%9B%B4%E5%BE%84AB%E4%B8%8A%E6%97%B6%2C%E8%AF%95%E8%AF%81%E6%98%8EOE%2AOP%3Dr%5E2+%E8%BF%99%E9%97%AE%E6%88%91%E5%B7%B2%E7%BB%8F%E8%AF%81%E5%87%BA%E6%9D%A5%E4%BA%86%2C%E4%B8%8D%E7%94%A8%E5%8A%B3%E7%83%A6%E6%89%93%E5%AD%97%E4%BA%86%21%EF%BC%882%EF%BC%89%E5%BD%93%E7%82%B9E%E5%9C%A8AB%28%E6%88%96BA%29%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E6%97%B6%2C%E4%BB%A5%E5%A6%82%E5%9B%BE2%E7%82%B9E)
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