What is a shape with 8 sides called?
What is a shape with 8 sides called?
A six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides… Polygon Names. The names of polygons are derived from the prefixes of ancient Greek numbers.
Is an octagon a regular or irregular polygon?
A regular octagon has eight congruent angles and eight congruent sides. Every regular octagon has the same angle measures. Any polygon that does not have all congruent sides is an irregular polygon. Irregular polygons can still be pentagons, hexagons and nonagons, but they do not have congruent angles or equal sides.
What is an irregular octagon?
Regular or Irregular When all angles are equal and all sides are equal it is regular, otherwise it is irregular. Regular Octagon. Irregular Octagons.
What do you call an irregular 4 sided shape?
In mathematics, we call a shape such as this a quadrilateral. An irregular quadrilateral is the opposite of this, so it is a quadrilateral that is not regular. In other words, an irregular quadrilateral is a quadrilateral with sides that are not all equal in length.
What is the common name for all 4 sided polygon?
A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus.
What is the sum of a four sided polygon?
So, the sum of the interior angles of a quadrilateral is 360 degrees. All sides are the same length (congruent) and all interior angles are the same size (congruent).
What is a 5 sided polygon called?
pentagon
Is any 6 sided shape a hexagon?
Hexagon Definition: In mathematics and geometry, a Hexagon is defined as a polygon (a closed two-dimensional shape with straight sides) with 6 sides. Note that Hexagons have 6 sides and 6 angles. There are two types of Hexagons: Regular Hexagons and Irregular Hexagons.
How many degrees is a shape?
The General Rule
| Shape | Sides | Sum of Interior Angles |
|---|---|---|
| Triangle | 3 | 180° |
| Quadrilateral | 4 | 360° |
| Pentagon | 5 | 540° |
| Hexagon | 6 | 720° |