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Presentation transcript:

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

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…

How do you name a circle? A A

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

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

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

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