Question

Is triangle ABC possible , if angle A = 60 degree , angle B = 80 degree and angle C = 40 degree ?

Answer 1

Some of all angles of a triangle should be 180°. According to given situation angle A=60°,B=80°,C=40° Which gives total of 180° So yes the triangle is possible

Answer 2

angle A+angleB+angleC =180
60+80+40=180