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What is a triangle having at least two congruent sides called? ... What is a triangle with 2 congruent sides called? An isosceles triangle, remember the two s's, and that's how I remember this name goes with the triangle thy has 2 congruent sides! - read more

Explore This Topic: What is a triangle called that has no congruent sides? What triangle has at least 2 congruent sides? Isosceles triangles have at least 2 congruent sides, and equilateral triangles have all 3 sides equal. - read more

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