Question

= 180° - 120
SOT = 60°
In the adjacent figure, ABC is a triangle in which B = 50° and C= 70. si
AC are produced. I1 Z is the measure of the angle between the buse
esterior angles so formed, then find z.​

Answer 1

Answer:

given are:

b=50 c=70

adding by

a+b

50+79

z= 120