★ Must-know
Further detail
1. A polygon has every interior angle measuring less than 180° and all of its vertices point outward. What type of polygon is it?
2. What does it mean for a line to be a line of symmetry of a figure?
3. How many lines of symmetry does a regular octagon have?
What defines a polygon in geometry?
A simple closed plane figure with three or more joined line segments.
What are the sides of a polygon?
The line segments that form the polygon.
What are vertices in a polygon?
The common endpoints of two sides.
What are interior angles of a polygon?
Angles formed inside the polygon.
How is a polygon with n sides commonly named?
It is called an n-gon.
What is the name of a polygon with three sides?
Triangle.
The revision sheet covers the essential concepts of Regular Polygons. It is organized by topic to facilitate learning and memorization, with key definitions, explanations and summaries.
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