A polygon which has all its sides of same length and allits angle of equal measures is dubbed a constant polygon.

You are watching: An equilateral triangle is a regular polygon


Examplesof regular polygon:

In the adjoining number of an equilateral triangle alphabet thereare 3 sides i.e., AB, BC and CA space equal and also there room three angle i.e., ∠ABC, ∠BCA and also ∠CAB are equal.

Therefore, an equilateral triangle is aregular polygon.


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In the adjoining figure of a square ABCD there room foursides i.e., AB, BC, CD and also DA are equal and there are four angles i.e., ∠ABC, ∠BCD, ∠CDA and also ∠DAB areequal.

Therefore, a square is a consistent polygon.


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In the adjoining number of a regular pentagon ABCDE thereare 5 sides i.e., AB, BC, CD, DE and also EA are equal and there are five anglesi.e., ∠ABC, ∠BCD, ∠CDE, ∠DEA and ∠EAB areequal.

Therefore, a consistent pentagon is aregular polygon.


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Irregularpolygon:

A polygon which has all its sides of unlike length and also allits angle of unequal measures is referred to as an rarely often, rarely polygon.

Examplesof rarely often rare polygon:


In the adjoining number of a scalene triangle alphabet there arethree political parties i.e., AB, BC and CA room unequal and also there space three angles i.e., ∠ABC, ∠BCA and also ∠CAB room unequal.

Therefore, a scalene triangle is an rarely often rare polygon.


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In the adjoining number of a rectangle ABCD there are foursides i.e., AB, BC, CD and DA where the opposite sides room equal i.e., ab = CDand BC = AD. So, all the sides are not equal to each other.

Similarly, among the four angles i.e., ∠ABC, ∠BCD, ∠CDA and ∠DAB wherethe the contrary angles room equal i.e., ∠ABC= ∠CDA and also ∠BCD= ∠DAB. So, every the angles are not equal to every other.

Therefore, a square is an irregularpolygon.


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In the adjoining number of an rarely often, rarely hexagon ABCDEF thereare 6 sides i.e., AB, BC, CD, DE, EF and also FA are equal and also there space sixangles i.e., ∠ABC, ∠BCD, ∠CDE, ∠DEF, ∠EFA and ∠FAB are equal.

Therefore, an rarely often, rarely hexagon is anirregular polygon.


● Polygons

Polygon and its Classification

Terms regarded Polygons

Interior and Exterior of the Polygon

Convex and also Concave Polygons

Regular and Irregular Polygon

Number of Triangles consisted of in a Polygon

Angle Sum property of a Polygon

Problems on angle Sum home of a Polygon

Sum of the interior Angles that a Polygon

Sum the the Exterior angles of a Polygon

7th Grade math Problems 8th Grade math Practice From Regular and Irregular Polygon to residence PAGE


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● Polygons - Worksheets