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What does "circumference" mean?

• The space a circle takes up

• The line from one side of the circle to the other

• The distance around a circle

• The line from the center of the circle to one side

Does this picture show the radius or diameter of a circle?

• Radius

• Diameter

Does this picture show the diameter or radius of a circle?

• diameter

• radius

Determine the radius of the penny.

• 59.66 mm

• 38 mm

• 9.5 mm

• 119.32 mm

What formula(s) can you use to find the circumference?

• C = 2πr and C = πd
• C = πr^2
• C = 2r
• C = 3πr

What is the circumference of this circle?

• 3.14 cm

• 24 cm

• 37.68 cm

• 68.4 cm

Find the circumference of the circle.

• 34.1 cm

• 31.4 cm

• 78.5 cm

• 15.7 cm

• 95^o

• 80^o

• 85^o

• 105^o

Find the supplementary angle for 119 degrees...

• 65 degrees

• 61 degrees

• 51 degrees

ATTENDANCE?

• A

• B

• C

• D

• E