2. 10-1 – Circumference
Standard: M.3.G.2
M.3.G.4

3. Circle Vocabulary Center: The middle…duh…
Radius: A line segment drawn from the center to any point on the circle
Diameter: A line segment drawn across a circle that passes through the center (twice the radius)
The middle…duh…

4. How do you name a circle? A A

5. Circumference Circumference is:
The distance around the outside of the circle 5

6. Circumference Circumference is:
Circumference formulas:
The distance around the outside of the circle
C = 2πr
C = πd

7. Find the circumference of the circle:
Examples
Find the circumference of the circle:
8 m
21 m

8. Assignment for tonight
Lesson 10-1
P. 525
#16-54 even, 63, 65