heptagon
Hexagon plus one
A heptagon is a polygon with seven sides and seven angles.
The shape appears occasionally in architecture and design but is far less common than hexagons or octagons.
A regular heptagon has all sides and angles equal, though the term covers any seven-sided figure.
geometry
Corner points of shapes
- anglesRotation between intersecting lines
- regularOccurring at fixed intervals
- irregularDeviating from normal patterns
- convexCurved outward externally
concave · symmetry · perimeter · area · diagonals · plane · two-dimensional · equilateral
seven
Seven-sided polygon
- heptadGroup of seven
- heptameterSeven-foot poetic line
- weekSeven-day span
- sevenfoldSeven times over
vertices
Corner points of shapes
- anglesRotation between intersecting lines
- regularOccurring at fixed intervals
- irregularDeviating from normal patterns
convex · concave · symmetry · perimeter · area · diagonals · plane · two-dimensional · equilateral · equiangular
septagon
Seven-sided polygon
- heptadGroup of seven
- heptameterSeven-foot poetic line
- weekSeven-day span
- hepta- wordsheptad, heptameter, heptane, heptavalent
- geometryangles, circles, angle, shapes, lines
- geometric shapessphere, triangle, square, cone, rectangle
- polygonstriangle, quadrilateral, nonagon, dodecagon, equilateral triangle
- shapescircle, square, triangle, rectangle, oval
- regular polygonsequilateral triangle