A triangle has two equal sides and one angle that is 120 degrees. What are the other two angles?

Explanation

The three angles in any triangle will always sum up to 180 degrees. A triangle with two equal sides will also have two equal angles. Hence,
The sum of all angles = angle 1 + angle 2 + angle 3
180 = (2 equal angles) + 120
2 equal angles = 180 – 120 = 60 degrees
Since angle 1 and angle 2 are two equal angles, 60 divided by 2 = 30 degrees

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