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HENDECAGON

Hendecagon

Definition Of Hendecagon

A Hendecagon is a polygon with 11 sides and equal number of angles.

More About Hendecagon

The measure of each internal angle in a regular hendecagon is 147.27°.
A hendecagon with all its 11 sides and 11 angles equal is called a regular hendecagon

Video Examples: Hendecagon
 

Example of Hendecagon

The above polygon has 11 sides and hence it is a hendecagon

Solved Example on Hendecagon

Ques: Which of the following is a hendecagon?

Choices:

A. Figure 2
B. Figure 1
C. Figure 3
D. Figure 4
Correct Answer: A

Solution:

Step 1: A polygon with 11 sides is known as hendecagon.
Step 2: The polygon in Figure 1 has 8 sides and is called as octagon.
Step 3: The polygon in Figure 2 has 11 sides and is called as hendecagon.
Step 4: The polygon in Figure 3 has 7 sides and is called as heptagon.
Step 5: The polygon in Figure 4 has 9 sides and is called as nonagon.
Step 6: So, Figure 2 is hendecagon.

Quick Summary

  • A hendecagon has 11 sides.
  • A regular hendecagon has 11 equal sides and 11 equal angles.
  • Each internal angle in a regular hendecagon measures 147.27°.
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🍎 Teacher Insights

Use visual aids to differentiate hendecagons from other polygons. Emphasize the properties of regular hendecagons versus irregular ones.

🎓 Prerequisites

  • Polygon
  • Angles
  • Sides

Check Your Knowledge

Q1: Which of the following is a hendecagon?

Q2: How many sides does a hendecagon have?

Frequently Asked Questions

Q: What is the difference between a hendecagon and a regular hendecagon?
A: A hendecagon is any polygon with 11 sides. A regular hendecagon has 11 equal sides and 11 equal angles.

Q: How do you calculate the interior angle of a regular hendecagon?
A: The measure of each interior angle in a regular hendecagon is 147.27°.

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