1. Circles
8.1

2. The set of infinite points equidistant from
Circle -
The set of infinite points equidistant from
a center point. C A
- Center X
- Radius
- Segment or distance
from center to circle. O Y
- Diameter M
- Chord that passes
through the center.

4. Find the diameter

6. Find the radius

7. Circumference of a circle is the outside perimeter

8. Circumference formulas

9. What is Pi ( ) ?

10. Circumference of a Circle
Find the circumference of a circle with a diameter
of 7 inches.

11. Find the circumference given the radius is 5 inches.

12. Semi Circle One half of the circle
To find the circumference of a semicircle divide by 2
Add the diameter

13. Find the circumference of the semi circle

14. Homework
Page 321 (3-11, 15-16) all