Given: isoceles ΔABC, median BD to base AC Prove: ΔADB≅ΔCDB


AB=CB Def of isosceles triangle
AD=CD Def of median
BD=BD Reflexive property
ADBcongCDB SSS congruency
Step-by-step explanation:
Statemet 1 AB=CB
Statement 2 AD=DC.
Statement 3 BD=BD.
Statement 4 Triangle ABD is congruent to triangle
CBD.
Reasons
Reason 2 Definition of Median
Reason 4 SSS