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- Starfield guide
- Is It A polygon?
- Types of Polygons
- Remembering
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Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up).
Regular or Irregular
A regular polygon has all angles equal and all sides equal, otherwise it isirregular
Concave or Convex
A convexpolygon has no angles pointing inwards. More precisely, no internal angle can be more than 180°. If any internal angle is greater than 180° then the polygon is concave. (Think: concave has a "cave" in it)
Simple or Complex
A simple polygon has only one boundary, and it doesn't cross over itself. A complexpolygon intersects itself! Many rules about polygons don't work when it is complex.
Quadrilateral
A QuadBike has 4 wheels
Pentagon
The "Pentagon" in Washington DC has 5 sides
Hexagon
Honeycomb has Hexagons
Learn what a polygon is, how to classify it by sides, angles, and shapes, and how to name it. Explore interactive polygons and see examples of regular, irregular, convex, concave, simple and complex polygons.
Polygon is a network of sovereign blockchains that feel like a single chain, powered by ZK tech. Learn how to build, stake, use and govern on Polygon, and explore its ecosystem of dApps, events and news.
Key fact. The sum of interior angles in a triangle is 180°. To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°. The formula for calculating...
There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this Second Level Maths guide from BBC Bitesize.
In geometry, a polygon (/ ˈ p ɒ l ɪ ɡ ɒ n /) is a plane figure made up of line segments connected to form a closed polygonal chain. The segments of a closed polygonal chain are called its edges or sides. The points where two edges meet are the polygon's vertices or corners. An n-gon is a polygon with n sides; for example, a triangle is a 3 ...
People also ask
Is a polygon a straight line or a convex?
Is a polygon a regular or irregular polygon?
What are the edges of a polygon called?
What is a simple polygon?
Learn what a polygon is, how to identify regular and irregular polygons, and the properties of different polygon shapes. Find resources, worksheets and videos for teaching polygons in maths.