只要最后一小问!在梯形ABCD中,AD∥BC,AD=AB=1,BC=2,∠A=90°.(如图1)(1)试求∠C的度数;(2)若E、F分别为边AD、CD上的两个动点(不与端点A、D、C重合),且始终保持∠EBF=45°,BD与EF交于点P.(
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![只要最后一小问!在梯形ABCD中,AD∥BC,AD=AB=1,BC=2,∠A=90°.(如图1)(1)试求∠C的度数;(2)若E、F分别为边AD、CD上的两个动点(不与端点A、D、C重合),且始终保持∠EBF=45°,BD与EF交于点P.(](/uploads/image/z/6996166-70-6.jpg?t=%E5%8F%AA%E8%A6%81%E6%9C%80%E5%90%8E%E4%B8%80%E5%B0%8F%E9%97%AE%21%E5%9C%A8%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E2%88%A5BC%2CAD%3DAB%3D1%2CBC%3D2%2C%E2%88%A0A%3D90%C2%B0%EF%BC%8E%EF%BC%88%E5%A6%82%E5%9B%BE1%EF%BC%89%EF%BC%881%EF%BC%89%E8%AF%95%E6%B1%82%E2%88%A0C%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%9B%EF%BC%882%EF%BC%89%E8%8B%A5E%E3%80%81F%E5%88%86%E5%88%AB%E4%B8%BA%E8%BE%B9AD%E3%80%81CD%E4%B8%8A%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%8A%A8%E7%82%B9%EF%BC%88%E4%B8%8D%E4%B8%8E%E7%AB%AF%E7%82%B9A%E3%80%81D%E3%80%81C%E9%87%8D%E5%90%88%EF%BC%89%2C%E4%B8%94%E5%A7%8B%E7%BB%88%E4%BF%9D%E6%8C%81%E2%88%A0EBF%3D45%C2%B0%2CBD%E4%B8%8EEF%E4%BA%A4%E4%BA%8E%E7%82%B9P%EF%BC%8E%EF%BC%88)
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