Question

Q7. In an isosceles triangle, the base angles are equal and the vertex angle is 80
Find the measure of the base angles.​

Answer 1

Step-by-step explanation:

Let the base angles be x.

A/Q

x+x+80°=180°

or, 2x+80°=180°

or, 2x=180°-80°

or, 2x=100°

therefore,x=50°

The measure of base angles is 50°. Ans.