(3) A triangle in which all three sides are the same length.
A triangle with all sides congruent.
a special isosceles triangle in which all three sides are congruent
a triangle with all sides being equal
A triangle such that all three sides have the same length.
A triangle with all three sides of equal length. The angles of an equilateral triangle are always 60
This is a triangle with three equal sides.
A triangle in which all three sides are of equal length. In such a triangle, the angles are all equal as well.
a triangle whose sides are all the same length.
A triangle with three equal (congruent) sides.
A triangle with all sides the same length.