在三角形ABC中,∠ACB等于90度,AC=2,BC=3,D是BC上一点,直线DE⊥BC于D,交AB于E,CF∥AB交直线DE于F,设CD为X(1)当X为何值时,四边形EACF为菱形?请说明理由(2)当X取何值时,四边形EACD的面积等于2?
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![在三角形ABC中,∠ACB等于90度,AC=2,BC=3,D是BC上一点,直线DE⊥BC于D,交AB于E,CF∥AB交直线DE于F,设CD为X(1)当X为何值时,四边形EACF为菱形?请说明理由(2)当X取何值时,四边形EACD的面积等于2?](/uploads/image/z/6631810-34-0.jpg?t=%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E2%88%A0ACB%E7%AD%89%E4%BA%8E90%E5%BA%A6%2CAC%3D2%2CBC%3D3%2CD%E6%98%AFBC%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E7%9B%B4%E7%BA%BFDE%E2%8A%A5BC%E4%BA%8ED%2C%E4%BA%A4AB%E4%BA%8EE%2CCF%E2%88%A5AB%E4%BA%A4%E7%9B%B4%E7%BA%BFDE%E4%BA%8EF%2C%E8%AE%BECD%E4%B8%BAX%EF%BC%881%EF%BC%89%E5%BD%93X%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2EACF%E4%B8%BA%E8%8F%B1%E5%BD%A2%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%EF%BC%882%EF%BC%89%E5%BD%93X%E5%8F%96%E4%BD%95%E5%80%BC%E6%97%B6%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2EACD%E7%9A%84%E9%9D%A2%E7%A7%AF%E7%AD%89%E4%BA%8E2%3F)
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