Question

. In an isosceles triangle , the vertex angle is4, times each of the base angles. Find the measure of angles of the triangle.​

Answer 1

Step-by-step explanation:

Let one of the base angle be x

Therefore, the vertex angle = 4x

Using angle sum property of a triangle,

x + x + 4x = 180⁰

6x = 180⁰

x = 30⁰

Therefore, the base angles is 30⁰ and the vertex angle is 4(30⁰) = 120⁰