It can do - of order 7.
Chat with our AI personalities
7 have rot
Lines of SymmetryAn 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 symmetry3. Each bisects a vertex and perpendicularly bisects the opposite side.
In a regular heptagon, there are 7 lines of symmetry because there is one line of symmetry for every side.
7-8=d-s
7