An Equilateral Triangle is the one which is characterized by three equal sides and opposite angles of 60 degrees measure each. Lines of Symmetry in any shape are the line about which area of shape is divided into equal parts. read more
Lines of Symmetry An equilateral triangle has three lines of (rotational) lateral symmetry: one extending from each vertex to the midpoint of its opposite side. An equilateral triangle has 3 lines of symmetry 3. Each bisects a vertex and perpendicularly bisects the opposite side. read more