Question

13. Bisectors of the angles B and C of an isosceles triangle ABC with AB = AC intersect
each other at O. Show that external angle adjacent to ABC = BOC.​

Answer 1

Answer:

Step-by-step explanation: AB=AC (GIVEN)

PROVE :- ABC=BOC

AB=AC (GIVEN)

BO=OC (COMMON)

AOB=AOC(ANGLE)

TRIANGLE AOB IS CONGRUENT TO TRIANGLE AOC (BY S.A.S. CRITERIA)

HENCE PROVED

ABC=BOC