Question

А A
(а)
409
C
с
B
1. Find x in the following figure :​

Answer 1

Answer:

Angle ABC = Angle ACB = 40° [The base Angle]

Angle ABC + Angle ABC + Angle BAC=180 Degree [Angle Sum Property of triangle]

40 +40 + x = 180 degree

x = 180-80

x=100 degree