For questions on polygons, a flat shape consisting of straight lines that are joined to form a closed chain or circuit
2
votes
2answers
71 views
Number of triangles in a regular polygon
A regular polygon with $n$ sides. Where $(n > 5)$. The number of triangles whose vertices are joining non-adjacent vertices of the polygon is?
1
vote
1answer
174 views
Relationship between the sides of inscribed polygons
In my math textbook there's a demonstration for the calculus of the circumference of a circle that involves regular polygons inscribed in the circle, but I don't get it. The book gives the following ...
