in th fig , d is the mid point of ab and cd is perpendicular to ab. prove abc is congurence to bcd.
Statement Reason
-------------------------------------------------------------------------------------
1. CD=DC Reflexive Property
2. D-midpoint of AB Given
3. AD=BD Definition of Midpoint
4. CD⊥AB Given
5. m<CDA=m<CDB Definition of Perpendicular Lines
6. ΔACD≅ΔBCD SAS