Circles!

What is the diameter?

• 8 cm

• 16 cm

• 10 cm

• 4 cm

Tags

CCSS.7.G.B.4

What is the radius?

• 18 ft

• 72 ft

• 38 ft

• 14 ft

Tags

CCSS.7.G.B.4

Find the radius of a circle who's diameter is 40 ft.

• 40 ft

• 80 ft

• 20 ft

• 45 ft

Tags

CCSS.7.G.B.4

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.HSG.C.A.2

True or False: An equation for Circumference is C = πr²

• True 
• False

Tags

CCSS.7.G.B.4

Determine the radius of the penny.

• 57 mm

• 9.5 mm

• 38 mm

• 19 mm

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference? Use π = 3.

• 11 ft

• 12.5 ft

• 10.5 ft

• 36.75 ft

Tags

CCSS.7.G.B.4

The circumference is 66 inches. What is the radius? Use π = 3.

• 20 inches

• 11 inches

• 22 inches

• 30 inches

Tags

CCSS.7.G.B.4