Question

Is an isosceles triangle base angle are equal and vertex angle is 80 degree find the measure of base angle base angle

Answer 1

Answer:

Answer. let base angles be equal to x. ... sum of angles of a triangle=180°. so, 2x+80°= 180°.

Step-by-step explanation:

hope this helps you please mark me as brainliest

Answer 2

Answer:

let base angle be x

Step-by-step explanation:

we know that sum of all angles of triangle is 180

x+x+80= 180.

2x+80=180

2x=180-80

2x=100

therefore x=50

hence base angles are 50and50