1.
Decagon
Constructing a Decagon (10 sided polygon) is exactly the same as constructing a ... Draw circle O. Find points A and B on circle O, so that OA _|_ OB. ...
2.
The Heptagon
The Heptagon (7 sided polygon) has been a shape of much mystery in geometry. ... It is especially useful with odd shapes like heptagons and nonagons. ...
3.
Pentagon
Draw a line through points B and M. BM (cyan) intersects circle M (purple) at ... This circle intersects the original circle at two points of the pentagon. ...
4.
The Heptagon
The Heptagon (7 sided polygon) has been a shape of much mystery in geometry. It is impossible to construct a heptagon with compass and straightedge only. ...
5.
The Heptagon
Here's a very complicated construction, yet very accurate. Draw circle O. Draw ABCDE, a pentagon inscribed in circle O. Draw another circle at O, ...
6.
Decagon
Constructing a Decagon (10 sided polygon) is exactly the same as constructing a ... Draw circle O. Find points A and B on circle O, so that OA _|_ OB. ...
7.
The Heptagon
Draw a line from C to D, extending it all the way to the original circle, where it intersects at E. A and E are two points of the heptagon. ...
8.
The Heptagon
To do this, find the midpoint of one of the sides of the pentagon and draw a circle crossing that point. Draw OA. OA intersects the small circle (purple) at ...
9.
Pentagon
Draw a line from G (cyan), so that it is perpendicular to OA. This line intersects circle O at H. A and H are two points of the pentagon. ...
10.
The Heptagon
Draw a line from C to D, extending it all the way to the original circle, where it intersects at E. A and E are two points of the heptagon. ...
