Step-by-step explanation:
in triangle ABC, BM has divided the triangle into 2 equal parts triangle ABM and CMB, AM and CM are two equal lines
AM=CM (they are line segments not angles)
angle BAM=angle BCM
angle ABM=angle BCM
angle AMB=angle CMB
therefore, triangles AMB and CMB are congruent
Hope it helped
PLS MARK BRAINLIEST
THANKS
