Often asked: What Is Regular Polygon In Math?

What is a regular polygon shape?

A regular polygon has equal length sides with equal angles between each side. Any other polygon is an irregular polygon, which by definition has unequal length sides and unequal angles between sides. Circles and shapes that include curves are not polygons – a polygon, by definition, is made up of straight lines.

What is a regular polygon give two examples?

Regular Polygon Examples A few examples of regular polygons are a triangle, quadrilateral, pentagon, hexagon, heptagon, and a decagon.

What is a regular polygon class 8?

Regular Polygon: A polygon in which all sides and all angles are equal is called regular polygon. Example: equilateral triangle, square. Irregular Polygon: A polygon in which all sides and all angles are not equal is called irregular polygon.

What is a regular and not regular polygon?

Regular polygon: A polygon which has all its sides of equal length and all its angles of equal measures is called a regular polygon. A polygon which has all its sides of unequal length and all its angles of unequal measures is called an irregular polygon.

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What is a 12 sided shape called?

In geometry, a dodecagon or 12 -gon is any twelve- sided polygon.

What is an L shape called?

One answer is a right-angled concave hexagon, but you do need to cite some context. – Andrew Leach♦ Sep 8 ’15 at 9:53. Well since the Greek letters “gamma” and “lambda” are shaped roughly like the letter ” L,” you might call it “gammoid” or “lambdoid.” I just invented these words. –

What is the difference between a polygon and a regular polygon?

A polygon is a simple closed figure with at least three straight sides. A regular polygon is a polygon with all sides the same length and all angles the same measure.

What shape is an irregular polygon?

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. Here are some examples of irregular polygons.

Which figure is not a regular polygon?

A polygon is a closed plane figure with three or more sides that are all straight. Some examples of polygons are shown below. The following figure is not a polygon as it is not a closed figure. A circle is not a polygon as it does not have straight sides.

What is Polygon formula?

Polygon Formula The sum of interior angles of a polygon with “n” sides =180°(n-2) Number of diagonals of a “n-sided” polygon = [n(n-3)]/2. The measure of interior angles of a regular n-sided polygon = [(n-2)180°]/n. The measure of exterior angles of a regular n-sided polygon = 360°/n.

What is a polygon Class 6?

Class 6 Maths Basic Geometrical Ideas. Polygons. Polygons. A polygon is a closed figure bounded by three or more line segments that intersect exactly to form a closed curve.

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What is polygon in simple words?

In geometry, a polygon can be defined as a flat or plane, two-dimensional closed shape with straight sides. It does not have curved sides. Polygons can be of two types: Regular Polygons – Polygons that have equal sides and angles are regular polygons.

What is an irregular 5 sided shape called?

For instance, a shape with five sides of varying lengths and interior angles which measure differently is still a pentagon. However, they’ll often add the word ‘ irregular ‘ in front of it to indicate that the shape’s sides and angles aren’t equal. So, they’ll call it an irregular pentagon.

What is an irregular shape called?

more A polygon that does not have all sides equal and all angles equal. (A polygon is “regular” only when all angles are equal and all sides are equal, otherwise it is irregular.)

Is a parallelogram a regular polygon yes or no?

A regular polygon must be both equiangular (all angle measures are the same) and equilateral (all side lengths are the same). A rhombus meets one of the requirements: it is equilateral. But, all of a rhombus’s angles are not the same. It is not equiangular, so it is not a regular polygon.

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