如图,将两块三角板拼在一起,∠ADB=∠BCD=90°,BC=CD,∠ABD=30°,E是边AB的中点,若AD的长为1(1)求四边形BCDE的面积(2)求证CE⊥BD
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![如图,将两块三角板拼在一起,∠ADB=∠BCD=90°,BC=CD,∠ABD=30°,E是边AB的中点,若AD的长为1(1)求四边形BCDE的面积(2)求证CE⊥BD](/uploads/image/z/5189123-11-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%B0%86%E4%B8%A4%E5%9D%97%E4%B8%89%E8%A7%92%E6%9D%BF%E6%8B%BC%E5%9C%A8%E4%B8%80%E8%B5%B7%2C%E2%88%A0ADB%3D%E2%88%A0BCD%3D90%C2%B0%2CBC%3DCD%2C%E2%88%A0ABD%3D30%C2%B0%2CE%E6%98%AF%E8%BE%B9AB%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E8%8B%A5AD%E7%9A%84%E9%95%BF%E4%B8%BA1%EF%BC%881%EF%BC%89%E6%B1%82%E5%9B%9B%E8%BE%B9%E5%BD%A2BCDE%E7%9A%84%E9%9D%A2%E7%A7%AF%EF%BC%882%EF%BC%89%E6%B1%82%E8%AF%81CE%E2%8A%A5BD)
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