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Polygons are most commonly discussed plane shapes apart from circles. In geometry, a polygon can be defined as a flat or plane, two-dimensional closed shape bounded with at least three sides. It does not have curved sides. The sides of a polygon are also called its edges. The points where two sides meet are the vertices (or corners) of a polygon.
- Symmetry refers to the balanced arrangement of elements. Plane shapes can exhibit symmetry, such as line symmetry (mirror image) or rotational symm...
- Plane shapes have various applications in real life, including architecture and design (floor plans, blueprints), art (paintings, sculptures, tesse...
- Congruent shapes are identical in shape and size, while similar shapes have the same shape but can differ in size.
- Plane shapes are two-dimensional and can be considered as the faces of three-dimensional shapes. Three-dimensional shapes are composed of plane sha...
- A polygon is a two-dimensional plane shape with straight sides, while a polyhedron is a three-dimensional solid shape with flat polygonal faces, ed...
- The area of a plane shape refers to the measure of the space enclosed within its boundaries, while the perimeter is the total length of its boundar...
- Two plane shapes are similar if their corresponding angles are equal, and the ratios of their corresponding side lengths are proportional.
- Flat shapes and plane shapes refer to the same concept.Both terms are used interchangeably to describe two-dimensional figures that exist on a flat...
- Is It A polygon?
- Types of Polygons
- Remembering
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
A Polygon is a closed figure made up of line segments (not curves) in a two-dimensional plane. Polygon is the combination of two words, i.e. poly (means many) and gon (means sides). A minimum of three line segments is required to connect end to end, to make a closed figure. Thus a polygon with a minimum of three sides is known as Triangle and ...
- 26 min
A polygon is a 2D shape with straight sides. To be a regular polygon all the sides and angles must be the same: Triangle - 3 Sides. Square - 4 Sides. Pentagon - 5 Sides. Hexagon - 6 sides. Heptagon - 7 Sides. Octagon - 8 Sides. Nonagon - 9 Sides.
Jan 2, 2022 · edit source. Any shape that can be drawn in the plane is called a plane figure. A shape with only straight sides as edges is called a polygon (POL-ee-gone). Polygons must have at least three sides, thus the polygons with the fewest number of sides are triangles. Circles and semicircles are not polygons because they have curved sides.
This page examines the properties of two-dimensional or ‘plane’ polygons. A polygon is any shape made up of straight lines that can be drawn on a flat surface, like a piece of paper. Such shapes include squares, rectangles, triangles and pentagons but not circles or any other shape that includes a curve. Understanding shapes is important in ...
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Aug 16, 2024 · Symmetry: Two lines of symmetry and rotational symmetry of 180 degrees. 5. Rhombus. A rhombus is a four-sided polygon with all sides of equal length, differing from the square in the angle of the corners, which are not 90 degrees. Edges and Vertices: Four edges of equal length and four vertices. Symmetry: Two lines of diagonal symmetry. 6 ...
