Meaning of the Water Symbol. The water symbol was used to indicate large stretches of water such as rivers and the ocean. Lakes were symbolized in a different way. The different forms that water might take symbolized different things. Running water was a symbol of the continuity of life and the on-going flow of time.
An equilateral triangle happens also to be an isosceles triangle. If all three sides are the same length then we can certainly find two sides that are the same length! If that seems strange, well yes, it is different to other terminology we have for shapes. 'Triangle', 'square', 'pentagon', 'hexagon' are all different things. But an isosceles triangle can be an equilateral triangle, and it will be if all three sides are the same length. Testing whether a triangle is equilateral. A triangle must be an equilateral triangle if either of the following is true: 1  All three sides are the same length. 2  All three angles are the same.
Equilateral Triangle. An equilateral triangle is a triangle with all three sides of equal length , corresponding to what could also be known as a regular triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides equal. An equilateral triangle also has three equal angles.