0
Upcoming SlideShare
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Standard text messaging rates apply

# Polygonspowerpoint

303

Published on

What is a polygon?

What is a polygon?

0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total Views
303
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
2
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Transcript

• 1. What is a Polygon? Dr. Beth McCulloch Vinson Athens State University PT3 Grant Funding, Summer 2000
• 2. a many-sided figure a shape with three or more sides. A polygon is…
• 3. What do we need to know about polygons?
• How many sides does each polygon have?
• Do all polygons look the same?
• Can I know the name of a shape just by looking at it?
• 4. Triangle
• A triangle has three sides.
1 2 3
• 5. Square
• A square has four sides.
1 2 3 4
• 6. Pentagon
• A pentagon has five sides.
1 2 3 4 5
• 7. Hexagon and Heptagon
• A hexagon has six sides. (Hexagon and six both have an “x”.)
• A heptagon has seven sides.
hexagon heptagon
• 8. Octagon
• An octagon has eight sides. Count the sides.
If this octagon was red and had the word “Stop” written on it, then you would know where we see a lot of octagons.
• 9. Let’s Review:
• The triangle is the smallest polygon. It only has three sides.
• A pentagon has five sides.
• A hexagon has six sides.
• A heptagon has seven sides.
• An octagon has eight sides.
• 10. Match these.
• Triangle eight sides
• Heptagon three sides
• Octagon seven sides
• 11. Match some more.
• Pentagon four sides
• Hexagon five sides
• Square six sides
• 12.
• A triangle is the smallest polygon because it has three sides. Can you have a two-sided polygon? Why or why not?
Two lines don’t close to make a shape. They make an angle. 2 1 Key Question:
• 13. The END A Project Developed for Preparing Tomorrow’s Teachers to Use Technology (PT3) By Dr. Beth McCulloch Vinson Athens State University, School of Education http://www.athens.edu/vinsobm