iCoachMath
STEM Excellence Series: Empowering the Next Generation
DODECAGON
DodecagonVideo Examples: Dodecagon on Geometer's SketchPad Tutorial
Definition Of Dodecagon
A polygon with 12 sides and 12 angles is called a Dodecagon.
More About Dodecagon
Each angle in a regular dodecagon is equal to 150°.
A dodecagon with all its 12 sides and 12 angles equal is called a regular dodecagon.
Examples Of Dodecagon
The figure shown above has 12 sides and 12 angles, so it is dodecagon
Video Examples: Dodecagon on Geometer's SketchPad Tutorial
Ques: Count the number of sides of the polygon.
Choices:
A. 12
B. 10
C. 9
D. 11
Correct Answer: A
Solution:
Step 1: This polygon has 12 sides and is called as dodecagon.
Quick Summary
- A dodecagon has 12 sides and 12 angles.
- Each angle in a regular dodecagon is 150°.
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🍎 Teacher Insights
Use visual aids and real-world examples to illustrate dodecagons. Emphasize the properties of regular dodecagons.🎓 Prerequisites
- Polygon
- Angles
- Sides
Check Your Knowledge
Q1: How many sides does a dodecagon have?
Frequently Asked Questions
Q: What is a regular dodecagon?
A: A dodecagon with all 12 sides and 12 angles equal.