scalene, equilateral, isosceles and right angle triangles
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When all three sides of the triangle are the same length. Additionally, all three corners of the triangle will be the same size as well.
A triangle can have only three sides. No triangle can have 9 sides!
A scalene triangle has all different sides.
If all 3 sides are equal: Equilateral Triangle If 2 sides are equal: Isosceles Triangle If all 3 sides are unequal/different: Scalene Triangle
an equilateral triangle's sides and angles are all congruent.an isosceles triangle has two sides that are congruent.and a scalene triangle has no sides that are at all congruent.:)