Question

One angel of an isosceles triangle is equal to 100degree and the other two angels are equal . find the angle.

Answer 1

Answer:

40 degrees

Step-by-step explanation:

Sum of angles of a triangle=180 degrees

Let the equal angles measure x degrees each.

Then, x+x+100 =180

=>2x=180-100=80 degrees

=>x=80/2=40 degrees