Find the measure of a base angle of a isosceles triangle if the measure of the vertex angle is 100

Question

asked Feb 2, 2018 38.3k views

1 Answer

Ambassallo · Answer 1 · 2018-02-08T23:33:53+0000

Sum of the angles in a triangle ... 180!

Isosceles, two of them are equal: 100 + 2x =180, x = 40 degrees! <- That's the answer ;)