如图在梯形ABCD中ad平行bc,∠abc等于90°,ab=ac,bd=bc,abcd相交于o点,求证oc=cd不小心打错了,应该是如图在梯形ABCD中ad平行bc,∠bac等于90°,ab=ac,bd=bc,ac、db相交于o点,求证oc=cd
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![如图在梯形ABCD中ad平行bc,∠abc等于90°,ab=ac,bd=bc,abcd相交于o点,求证oc=cd不小心打错了,应该是如图在梯形ABCD中ad平行bc,∠bac等于90°,ab=ac,bd=bc,ac、db相交于o点,求证oc=cd](/uploads/image/z/1524960-0-0.jpg?t=%E5%A6%82%E5%9B%BE%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%ADad%E5%B9%B3%E8%A1%8Cbc%2C%E2%88%A0abc%E7%AD%89%E4%BA%8E90%C2%B0%2Cab%3Dac%2Cbd%3Dbc%2Cabcd%E7%9B%B8%E4%BA%A4%E4%BA%8Eo%E7%82%B9%2C%E6%B1%82%E8%AF%81oc%3Dcd%E4%B8%8D%E5%B0%8F%E5%BF%83%E6%89%93%E9%94%99%E4%BA%86%EF%BC%8C%E5%BA%94%E8%AF%A5%E6%98%AF%E5%A6%82%E5%9B%BE%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%ADad%E5%B9%B3%E8%A1%8Cbc%2C%E2%88%A0bac%E7%AD%89%E4%BA%8E90%C2%B0%2Cab%3Dac%2Cbd%3Dbc%2Cac%E3%80%81db%E7%9B%B8%E4%BA%A4%E4%BA%8Eo%E7%82%B9%2C%E6%B1%82%E8%AF%81oc%3Dcd)
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