Equilateral triangles have 3 congruent(equal) sides and 3 congruent angles, because equilateral means that all the sides are equal.
If a polygon(shape with 3 + sides) is equilateral and equiangular( all the angles are the same), then it is regular. Some equiangular polygons are not equilateral, and vice versa.
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Equilateral triangles have three congruent sides and three congruent angles
3 because equilateral triangles are triangles that have 3 congruent sides.
an equilateral triangle has all equal sides
If it's an equilateral triangle then its 3 sides are congruent but if it's an isosceles triangle then only 2 of its sides are congruent
An equilateral triangle has 3 congruent sides