Squares ABDE and BCFG are constructed on the sides AB and BC of a triangle ABC. Prove the following: 1. CD and AG are congruent and perpendicular. 2. CD, AG, and EF are concurrent in P. 3. EF is bisector of angle GPC. BCFG square ABDE square G E To Prove: F A 1. CD = AG and CD LAG 2. CD. AG, and EF are concurrent in P. Any triangle ABC 3. EF is bisector of Z OPC