Question

Given triangle ABC, where line segment BD is an altitude and AD equal to CD. Prove triangle ADB is congruent to triangle AEB.

Answer 1

AEB?

Answer 2

CORRECTION
Given
triangle ABC, where line segment BD is an altitude and AD equal to CD.
Prove
triangle ADB is congruent to triangle CDB.

Answer 3

dalvoron can u help me?

Answer 4

S-A-S axiom,
AD = CD , given
angle BDA= angleBDC, both equals to ninety degree.
BD =BD , common side
hence, congruent

Answer 5

http://en.wikipedia.org/wiki/Congruence_(geometry)#Congruence_of_triangles