A triangle will always be composed of a minimum of one horizontal and one verticle line with a third line connecting them together.
Therefore, it would be impossible to compose a "legal triangle" with three horizontal lines.
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If a triangle has equal sides, it will have equal angles of 60 degrees. It is called an equilateral triangle.
An isosceles (2 equal sides), equilateral (3).
It has 3 sides.every tryangle has three sides and three verticies no matter what kind it is
All triangles are 3-sided. There are 3 different kinds. One where all 3 sides are equal length and have equal angles is called an Equilateral triangle. A triangle with two sides and angles the same is known as an Isosceles triangle. The last kind of triangle has 3 unequal sides and 3 unequal angles and it is called a Scalene triangle.
A triangle - any triangle - has 3 sides.