zero
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 isosceles triangle has exactly two sides which are equal. (The word congruent usually applies to triangles, not sides.)
any triangle has 3 sides.
an equilateral triangle has all equal sides
2 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
It has 2 congruent sides
how many congruent sides does a scalene triangle
An isosceles triangle has two congruent sides.
0 sides
an equilateral triangle has all equal sides
any triangle has 3 sides.
2 sides
An isosceles triangle has exactly two sides which are equal. (The word congruent usually applies to triangles, not sides.)
None or two sides.
None
All triangles have 3 sides.