Atriangle is equilateral if, and only if, it has three congruent angles.
based on this statement, which of the following is true?
a triangle has three congruent angles, therefore the triangle is equilateral.
a triangle is equilateral, therefore the triangle has no congruent angles.
a triangle is equilateral, therefore it has exactly two congruent angles.
a triangle has three congruent sides, therefore the triangle is isosceles.