Question

Two angles of a triangle are 30° and 80° find the third angle

Answer 1

Angle 1 = 30 degree

Angle 2 = 80 degree

Sum of the three angles of a triangle is 360 degree.

Let angle 3 be x

30 + 80 + x = 360

110 + x = 360

x = 360 - 110

x = 250