赞 jellyking1 幼苗
共回答了17个问题采纳率：94.1% 举报
因为下折,∠AEG = ∠GEF
因为矩形上下平行,∠AEG = ∠FGE
180 - (180 - 130) x 2 = 80°
因为矩形上下平行,∠AEG = ∠FGE
180 - (180 - 130) x 2 = 80°
1年前 追问
3
因为下折，所以 ∠AEG = ∠GEF
因为AD∥BC，∠AEG = ∠FGE
∠GFE = 180° - ∠GEF - ∠FGE = 180° - 2∠FGE = 180° - 2 x (180° - ∠BGE) = 180° - (180° - 130°) x 2 = 80°
因为AD∥BC，∠AEG = ∠FGE
∠GFE = 180° - ∠GEF - ∠FGE = 180° - 2∠FGE = 180° - 2 x (180° - ∠BGE) = 180° - (180° - 130°) x 2 = 80°
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