What kind of triangle is formed by two equal angles?

A triangle that is formed by two equal angles is classified as an isosceles triangle. In an isosceles triangle, at least two sides are of equal length, and the angles opposite these sides are also equal. This characteristic is fundamental to the definition of isosceles triangles in geometry. The equal angles indicate that the triangle has symmetry along the line that bisects the angle between the two equal sides.

In contrast, a scalene triangle has all sides and angles of different lengths and measures, which does not apply in this scenario. An equilateral triangle would have all three sides and all three angles equal, specifically each angle measuring 60 degrees, which is not the focus of this question. A right triangle features one angle that is exactly 90 degrees, but does not necessitate any equal angles unless it's a specific case of an isosceles right triangle. Hence, the presence of two equal angles exclusively points to the isosceles triangle classification.