AMSCO'S Geometry. New York - Rye High School

164 Congruence of Line Segments,Angles, and TrianglesDeveloping SkillsIn 3–5, tell whether the triangles in each pair can be proved congruent by ASA, using only themarked congruent parts in establishing the congruence. Give the reason for your answer.3. CF 4. C5. CBAB D EADBADIn 6–8, in each case name the pair of corresponding sides or the pair of corresponding angles thatwould have to be proved congruent (in addition to those pairs marked congruent) in order to provethat the triangles are congruent by ASA.6. DC7. DB8. DCABAECABApplying Skills9. Given: E C, EDA CDB, 10. Given: DB bisects ADC andand D is the midpoint of EC. BD hbisects ABC.Prove: DAE DBCProve: ABD CBDA BAhDBCE D C11. Given: AD ' BC and AD hbisects 12. Given: DBC GFD and AEBAC. bisects FB at D.Prove: ADC ADBProve: DFE DBAAG F EDCDBABC