An equilateral triangle has 3 congruent angles that add up to 180 degrees.
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No, An equilateral triangle has 3 congruent angles, an isosceles triangle has 2 congruent angles, a scalene triangle has no congruent angles.
Isosceles
An Isosceles Triangle.
no triangle do not have four congruent angles
The base angles of an isosceles triangle are congruent. The vertex angle of an isosceles triangle is not necessarily congruent to the base angles.