Question

in the adjoining figure abc is atreingle with ab =ac and <b 40° find the value of other two angles of the triangle?​

Answer 1

Step-by-step explanation:

consider triangle ABC

ab =ac

angel a Equal to angel a

prove that angles ABC =acb

ABC+bca+cab=180°

2abc+40=180

2abc=180-40

2abc=140

ABC=140\2

abc=70