如图,∠A=60°,DF⊥AB于F,DG∥AC交AB于G,DE∥AB交AC于E.求∠GDF的度数.∵DF⊥AB ( )如图,∠A=60°,DF⊥AB于F,DG∥AC交AB于G,DE∥AB交AC于E.求∠GDF的度数.解:∵DF⊥AB ( ) ∴∠DFA=9
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![如图,∠A=60°,DF⊥AB于F,DG∥AC交AB于G,DE∥AB交AC于E.求∠GDF的度数.∵DF⊥AB ( )如图,∠A=60°,DF⊥AB于F,DG∥AC交AB于G,DE∥AB交AC于E.求∠GDF的度数.解:∵DF⊥AB ( ) ∴∠DFA=9](/uploads/image/z/13874300-44-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E2%88%A0A%EF%BC%9D60%C2%B0%2CDF%E2%8A%A5AB%E4%BA%8EF%2CDG%E2%88%A5AC%E4%BA%A4AB%E4%BA%8EG%2CDE%E2%88%A5AB%E4%BA%A4AC%E4%BA%8EE.%E6%B1%82%E2%88%A0GDF%E7%9A%84%E5%BA%A6%E6%95%B0.%E2%88%B5DF%E2%8A%A5AB%E3%80%80%EF%BC%88%E3%80%80%E3%80%80+%EF%BC%89%E5%A6%82%E5%9B%BE%2C%E2%88%A0A%EF%BC%9D60%C2%B0%2CDF%E2%8A%A5AB%E4%BA%8EF%2CDG%E2%88%A5AC%E4%BA%A4AB%E4%BA%8EG%2CDE%E2%88%A5AB%E4%BA%A4AC%E4%BA%8EE.%E6%B1%82%E2%88%A0GDF%E7%9A%84%E5%BA%A6%E6%95%B0.%E8%A7%A3%EF%BC%9A%E2%88%B5DF%E2%8A%A5AB%E3%80%80%EF%BC%88%E3%80%80%E3%80%80++++++%EF%BC%89%E3%80%80%E3%80%80%E2%88%B4%E2%88%A0DFA%EF%BC%9D9)
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