Problem 4 What are the reasons for the last two steps of the proof? A AABC ADEC; LA ZC BAACB AECD; LA ZE © ACBA ADEC; ZB ZC DAABC ACDE; LA C O A OB OD Given Cs the midooint of AB and DE Prove LA 2 ZE Reason Statement 1 Gen Cme mpone of ABd DE 2 AC 2 EC. BC 2 DC 20Definition of a mitpoine Defintion of vertical angles ZACB ECD A SAS

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