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IRREGULAR POLYGONS

Irregular Polygons

Definition Of Irregular Polygons

A polygon whose all sides are not equal is called an Irregular Polygon.

More About Irregular Polygons

Interior angles are not equal in an irregular polygon.
An irregular polygon can be either convex or concave.

Video Examples: Regular and Irregular Polygons


 

Example of Irregular Polygons

 example of    Irregular Polygons

Solved Example on Irregular Polygons

Ques: Which of these is an irregular polygon?

Choices:

A. Figure 3
B. Figure 2
C. Figure 1
D. None of these
Correct Answer: B

Solution:

Step 1: A polygon with all its sides measuring the same is called a regular polygon; else, it is called an irregular polygon.
Step 2: Here, Figure 2 has different side-lengths. So, it is an irregular polygon. 

Quick Summary

  • Irregular polygons have unequal sides.
  • Irregular polygons have unequal interior angles.
  • Irregular polygons can be convex or concave.
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🍎 Teacher Insights

Use visual aids and real-world examples to demonstrate irregular polygons. Emphasize the difference between regular and irregular polygons through hands-on activities.

🎓 Prerequisites

  • Basic understanding of polygons
  • Knowledge of sides and angles
  • Familiarity with the concept of equality

Check Your Knowledge

Q1: Which of the following is an irregular polygon?

Q2: Which statement is true about irregular polygons?

Frequently Asked Questions

Q: Can an irregular polygon have all angles different?
A: Yes, irregular polygons typically have different angle measures.

Q: Is a square an irregular polygon?
A: No, a square is a regular polygon because all its sides and angles are equal.

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