Heptagon
Appearance
A heptagon/septagon/7-gon is a shape with 7 sides and 7 corners.
Regular heptagon[change | change source]
All sides of a regular heptagon are the same length. Each corner is 147.27°. All corners added together equal 6840°.
Area[change | change source]
The amount of space a regular heptagon takes up is
a is the length of one of its sides.