None!!!!
A 7-sided polygon is named 'HEPTAGON'.,
However,
An 8-sided polygon is named 'OCTAGON'.
An Octagon?
It is an oblong which is another name for a rectangle.
A quadrilateral is a four-sided figure that has straight sides and no curves. It can be a square and any shape that has four sides that connect, hence four angles and four vertices. Examples of quadrilaterals are a square, rectangle, parallelogram, rhombus.A quadrilateral is a 4 sided shape such as a square, rectangle, rhombus, parallelogram ... etc
A regular pentagon has straight sides and is closed so its a polygon. Any shape with straight sides and is closed is a polygon. Example O (circle) has curved lines so its not a polygon L (square) is open therefore it is not a polygon.
Seven O' Clock was created in 2006.
An Octagon?
An isosceles triangle
Octogon
outlook, oarlock
It is an oblong which is another name for a rectangle.
ottoman
Assuming it's a regular shape. You could 'slice' it into three, keeping parallel to any one of its sides.
Pentagon. P-E-N-T-A-G-O-N.
A herb beginning with the letter "o" is oregano.
A square or a rectangle. There isn't one. A square o a rectangle fit this description best but they have 2 pairs of parallel sides.
toponym
The phrase "6 B in an O" refers to the saying "6 balls in an octagon," which is a playful way to convey that there are six sides (or balls) in the shape of an octagon (which has eight sides). However, if you meant something different, please clarify, and I'll be happy to help!