Question

in triangle ABC , AB=BC AND angle B is 80° fund angle a​

Answer 1

Step-by-step explanation:

80+80+a=180 isosceles triangle

a=180-160

a=20

Answer 2

Answer:

AB=BC= x(equal side have equal angle opp. to them)

Step-by-step explanation:

x +x 80 =180

2x =180-80

2x =100

x =50

hence angle A is 50