all triangles have three sides
All triangles have 3 sides.
all triangles have three sides
All triangles have three sides.
By definition, all triangles have 3 sides.
A pentagon has 3 triangles and 5 sides
it has 4 sides that are triangles
All triangles have three sides. Whether or not it is equilateral is irrelevant.
All triangles have exactly three sides. This is true whether the triangle is equilateral or not. If the triangle is equilateral, then the three sides will all be equal in length.All triangles have three sides.
None because all triangles have 3 sides
Some, but not all. Triangles with 2 congruent sides are called isoceles triangles. Triangles with 3 congruent sides are called equilateral triangles.
All triangles have exactly 3 sides. That is what the word triangle means, a geometrical figure having 3 angles and 3 sides. Always 3.