Albrecht Dürer's Heptagon of 1525
Albrecht Dürer's Heptagon of 1525
This Demonstration shows a heptagon constructed in six easy steps using a straight edge and compass.
The heptagon is not regular. For example, one angle at the midpoint is ≈ 51° 19' instead of 360° / 7 ≈ 51° 26'.