Question
Find the vertex angle of an isosceles triangle if it exceeds each base angle by 30 degree.
Answers
Steve
since the two base angles are equal, if each is x, then
x+30 + x + x = 180
3x = 150
x = 50
So, the vertex angle is 80
x+30 + x + x = 180
3x = 150
x = 50
So, the vertex angle is 80