In today’s post, we will take a look at open and closed polygonal figures.
But first, we need to know what polygons are: polygons are figures made up of several straight segments joined together.
Polygonal figures can be classified as open or closed.
- A polygonal figure is open when the segments do not all connect at both ends. That is, if we draw a line starting at one point and finish drawing it at a different point.
This is an example of an open polygonal figure :
- A polygonal figure is closed when its segments connect at both ends. That is, you start to draw the line at a point and finish at the same point.
This is an example of a closed polygonal figure:
Do you know how to identify open and closed polygonal figures?
Determine whether the following polygonal figures are open or closed. You will find the answers below.
1.
2.
3.
4.
5.
6.
Did you try to solve the previous activity? Here are the answers:
1. Open
2. Closed
3. Open
4. Open
5. Closed
6. Closed
How did you find the activity? If you did well, it’s because you understand what open and closed polygonal figures are.
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Learn More:
- Elementary Geometry – Open Figures
- Learn More about Straight Lines
- Learn about Open and Closed Curves
- Geometric Figures and Straight Lines
- Logic Exercises: Graphs
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