如图,先找到长方形纸的宽DC的中点E,将∠C过点E折起让CE与HE重合,折痕是EF,再将∠D过点E折起,使DE与HE重合,折痕是GE,请探索下列问题:(1)∠GEF是直角吗?为什么?(2)∠FEH与∠GEH互余吗?为什么
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 23:05:26
![如图,先找到长方形纸的宽DC的中点E,将∠C过点E折起让CE与HE重合,折痕是EF,再将∠D过点E折起,使DE与HE重合,折痕是GE,请探索下列问题:(1)∠GEF是直角吗?为什么?(2)∠FEH与∠GEH互余吗?为什么](/uploads/image/z/1572315-51-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%85%88%E6%89%BE%E5%88%B0%E9%95%BF%E6%96%B9%E5%BD%A2%E7%BA%B8%E7%9A%84%E5%AE%BDDC%E7%9A%84%E4%B8%AD%E7%82%B9E%2C%E5%B0%86%E2%88%A0C%E8%BF%87%E7%82%B9E%E6%8A%98%E8%B5%B7%E8%AE%A9CE%E4%B8%8EHE%E9%87%8D%E5%90%88%2C%E6%8A%98%E7%97%95%E6%98%AFEF%2C%E5%86%8D%E5%B0%86%E2%88%A0D%E8%BF%87%E7%82%B9E%E6%8A%98%E8%B5%B7%2C%E4%BD%BFDE%E4%B8%8EHE%E9%87%8D%E5%90%88%2C%E6%8A%98%E7%97%95%E6%98%AFGE%2C%E8%AF%B7%E6%8E%A2%E7%B4%A2%E4%B8%8B%E5%88%97%E9%97%AE%E9%A2%98%EF%BC%9A%EF%BC%881%EF%BC%89%E2%88%A0GEF%E6%98%AF%E7%9B%B4%E8%A7%92%E5%90%97%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F%EF%BC%882%EF%BC%89%E2%88%A0FEH%E4%B8%8E%E2%88%A0GEH%E4%BA%92%E4%BD%99%E5%90%97%3F%E4%B8%BA%E4%BB%80%E4%B9%88)
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