Question

In an isoceles triangle the base angles are equal and the vertex angle is 80*. Find the measure of the base angles

Answer 1

Answer:

angle sum property of a triangle =180°

vertex angle= 80°

base angles are equal so,

2b + 80°= 180°

2b= 180°-80°

2b=100°

b= 100/2

b= 50°