Question

answer it fast guys.

Answer 1

Answer:

it is an equivalent triangle where all sides are 60 degree and we do it by 180-120=60

and ab=bc therefore angle will be 60degree

Answer 2

Answer:

I don't know exactly but my guess is

Step-by-step explanation:

angle a will be 90 and angle b is 45and c is 45

Because angles in a triangle is 180