Circle Unit

Glow necklaces are sold in lengths of 22 inches. This would be the _______ of the circle.

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The spokes of a bicycle tire would be the ________ of the circle. (spokes connect the center to rim of the tire.)

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Slicing a pizza in half, would represent a slice along the _______ of the pizza.

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This image represents...

• Diameter times Pi equals the Circumference.

• Circumference is equal to 3.14159... times the diameter of the circle.

• Three and a little bit diameters is equal to the circumference of any circle.

• There is no relationship shown in this picture.

Riding this Ferris Wheel would be traveling around the _______ of the circle.

• Diameter

• Radius

• Circumference

• Edge

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

Tags

CCSS.7.G.B.4

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft
• 11ft
• π ft
• no ft

Tags

CCSS.7.G.B.4

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

A _____ is half of a circle.

• circumference
• pi
• semicircle
•  composite figure

Tags

CCSS.HSG.C.A.2

Which segment is the diameter?

• AC
• BD
• LM
• CE

Tags

CCSS.7.G.B.4