Problem Set 1 In the figure to the right AB IDE and BC EF Prove that m ABC mZDEF Evidence Claims 1 ABIIDE BC IEF 2 Draw EZ label z 3 m ABC m E2C 4 m EZC M DEF m 5 mx ABC M4 DEF 1 AB II CO 2 Draw FE label w vo 1 Given 2 Construction 3 4 2 In the figure to the right AB CD Prove that mZAEC a c 3 a w Co 4 w m AEC 5 a c m AEC 5 1 Given 2 Construction 3 linear 4 Angle addition 5 substitution a B A D wo Ivo E C Co