1. Construct an Octagon Inside of a Circle

2. 1. Using your compass, draw a circle with a 3 inch radius, label the center O.

3. 2. Using a ruler draw a diameter through the center of the circle
2. Using a ruler draw a diameter through the center of the circle. Label it AB. O A B

4. 3. Extend the compass to 4 ½ inches and then swing an arc above and below the circle from points A and B. O A B

5. 4. Draw a line through the intersecting points above and below the circle. Label it CD.

6. 5. Put the endpoint of the compass on A and adjust the compass to a comfortable width. Swing an arc outside the circle on both sides of point A. Then do the same for the other points. O A B C D

7. 6. Draw diameters through each set of opposite arcs
6. Draw diameters through each set of opposite arcs. Label them EF, and GH. O A B C D E F G H

8. 7. Draw line segments to connect each point.B C D E F G H