如图,AE、AD是直线且AB=BC=CD=DE=EF=FG=GA,若∠DAE=α,则α=∵AG=GF,∴∠AFG=∠DAE=α,∴∠EGF=2∠DAE=2α,∵EF=FG,∴∠GEF=∠EGF=2α,∴∠EFD=∠GEF+∠DAE=3α,又∵DE=EF,∴∠EDF=∠EFD=3α,∵AB=BC=CD=DE=EF=FG=GA,∴AD=AE,∴∠AED
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 14:17:20
![如图,AE、AD是直线且AB=BC=CD=DE=EF=FG=GA,若∠DAE=α,则α=∵AG=GF,∴∠AFG=∠DAE=α,∴∠EGF=2∠DAE=2α,∵EF=FG,∴∠GEF=∠EGF=2α,∴∠EFD=∠GEF+∠DAE=3α,又∵DE=EF,∴∠EDF=∠EFD=3α,∵AB=BC=CD=DE=EF=FG=GA,∴AD=AE,∴∠AED](/uploads/image/z/3803611-67-1.jpg?t=%E5%A6%82%E5%9B%BE%2CAE%E3%80%81AD%E6%98%AF%E7%9B%B4%E7%BA%BF%E4%B8%94AB%3DBC%3DCD%3DDE%3DEF%3DFG%3DGA%2C%E8%8B%A5%E2%88%A0DAE%3D%CE%B1%2C%E5%88%99%CE%B1%3D%E2%88%B5AG%3DGF%2C%E2%88%B4%E2%88%A0AFG%3D%E2%88%A0DAE%3D%CE%B1%2C%E2%88%B4%E2%88%A0EGF%3D2%E2%88%A0DAE%3D2%CE%B1%2C%E2%88%B5EF%3DFG%2C%E2%88%B4%E2%88%A0GEF%3D%E2%88%A0EGF%3D2%CE%B1%2C%E2%88%B4%E2%88%A0EFD%3D%E2%88%A0GEF%2B%E2%88%A0DAE%3D3%CE%B1%2C%E5%8F%88%E2%88%B5DE%3DEF%2C%E2%88%B4%E2%88%A0EDF%3D%E2%88%A0EFD%3D3%CE%B1%2C%E2%88%B5AB%3DBC%3DCD%3DDE%3DEF%3DFG%3DGA%2C%E2%88%B4AD%3DAE%2C%E2%88%B4%E2%88%A0AED)
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