Question

30 POINTS Please help! Triangle MNO is an isosceles triangle in which only one angle measures 120º. What is the angle measure of one of the two congruent angles?

What is X:?

Answer 1

One, or both the congruent angles measure 30 degrees

Explanation:

180 - 120 = 60

60 / 2 = 30

30 + 30 + 120 = 180

Yes

Answer 2

30°

Explanation:

180-120=60

60/2 = 30