Question

each base angle of an isosceles triangle in four times the vertex angle find all the angles of the triangle​

Answer 1

Answer:

20,80

Step-by-step explanation:

let the vertex angle be v

so each base angle of an isosceles triangle = 4v

ATP,

4v+4v+v = 180

9v = 180

v = 180/9 = 20

vertex angle = v = 20

each base angle of an isosceles triangle = 4v = 4(20) = 80