An equilateral triangle- a triangle with 3 equal sides, so the triangle would have 3 congruent angles as well.
A trick to remember this: the word equal is sort of in the word equilateral.
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An obtuse triangle does not always have three congruent sides. An obtuse triangle can be any form that always has three angles.
There are 3 angles in a triangle and they add up to 180 degrees
3 angles in a triangle
All triangles have 3 sides and 3 interior angles that add up to 180 degrees and they are classed as follows:- Right angle triangle:a 90 degree angle and 2 acute angles Scalene triangle: 3 acute angles Obtuse triangle: an obtuse angle and 2 acute angles Isosceles triangle: 2 equal base angles and an apex angle Equilateral triangle: 3 equal angles each measuring 60 degrees