The document defines various geometric terms related to circles, such as chord, diameter, radius, sector, circumference, and area. It includes formulas for calculating the area of a circle and mentions polygon types like hexagon and octagon. Overall, it serves as a brief guide to fundamental geometric concepts.

1. circles

2. chord A line segment with it's end pionts on the circle

3. diameter The distance across a circle

4. radius The line that goes half way into the circle

5. sector The space inside of two radiis

6. circumference The distance around a circle.

7. Area of a circle Square the radius then multiply the awnser by pie. 3 3x3=6 3.14 x 6 1884 Area=18.84

8. arc The turn of the space between the lines

9. hexegon A six sided polygon.

10. octagon A eght sided polygon. stop