Question

15) ABC is an isosceles triangle with
AB = AC. Prove that the bisector of
angle A divides ABC into two congruent
triangles.​

Answer 1

Answer:

Ab=AC

Angle B= angle C

(Isosceles triangle property)

Answer 2

Answer:

AB=AC(GIVEN)

<ABC=<ACB (ISOCELES PROPERTY)

<BAC=<CAB (BISECTOR OF ANGLE A)

<AOC=<AOB(O BISECTED A AT BC)

HENCE,

triangleAOC=triangleAOB