∠ADC=∠ABC、∠1+∠2=180DA是∠FDB的平分线说明BC是∠DBE的平分线将一张长方形纸片沿EF折叠后点DC分别落在D'C'上ED的延长线与BC的交点为G若∠EFG=50。求∠1,∠2的度数
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![∠ADC=∠ABC、∠1+∠2=180DA是∠FDB的平分线说明BC是∠DBE的平分线将一张长方形纸片沿EF折叠后点DC分别落在D'C'上ED的延长线与BC的交点为G若∠EFG=50。求∠1,∠2的度数](/uploads/image/z/6959414-38-4.jpg?t=%E2%88%A0ADC%3D%E2%88%A0ABC%E3%80%81%E2%88%A01%2B%E2%88%A02%3D180DA%E6%98%AF%E2%88%A0FDB%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E8%AF%B4%E6%98%8EBC%E6%98%AF%E2%88%A0DBE%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E5%B0%86%E4%B8%80%E5%BC%A0%E9%95%BF%E6%96%B9%E5%BD%A2%E7%BA%B8%E7%89%87%E6%B2%BFEF%E6%8A%98%E5%8F%A0%E5%90%8E%E7%82%B9DC%E5%88%86%E5%88%AB%E8%90%BD%E5%9C%A8D%27C%27%E4%B8%8AED%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8EBC%E7%9A%84%E4%BA%A4%E7%82%B9%E4%B8%BAG%E8%8B%A5%E2%88%A0EFG%3D50%E3%80%82%E6%B1%82%E2%88%A01%EF%BC%8C%E2%88%A02%E7%9A%84%E5%BA%A6%E6%95%B0)
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