如图,已知AB平行CD,角BAE=角CDF,求证AE平行于DF

已知：如图,AB//CD,角BAE+角CDF=180度.求证：AE//DF. 如图,已知AB‖CD,AE‖DF,求证∠BAE=∠CDF 如图已知AB‖CD,AE∥∠DF,求证∠BAE=∠CDF 如图所示,已知AB=CD,BE=DF,△ABE全等于△CDF,求证;AB平行CD,AE平行CF 如图已知AE=DF,AB平行CD,CE垂直于AD求证1角A=角D2BF=CE 如图,AB=CD,AE=DF,CE=BF,求证AE平行DF 如图,AB=CD,AE=DF,CE=BF,求证：AE平行DF 如图,已知AE平行于BC,AE平分角DAC,求证：AB=AC. 如图,已知AB⊥BC,AE⊥EF,AC=DF,BE=CF.求证AC平行于DF. 如图，已知AB平行于CD，角BAE=40度，角ECD=70度 如图已知CD平行EF,角一加角二等于角ABC求证：AB平行于GF. 已知:如图,五边形ABCDE中,AB平行于CE,BC平行于AD,CD平行于BE,DE平行于AC.求证:AE平行于BD