Area and Circumference of Circles

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

Tags

CCSS.7.G.B.4

What is the circumference of a 12-inch pizza?

• 37.68 inches
• 18.84 inches
• 113.04 inches
• 432.16 inches

Tags

CCSS.7.G.B.4

Find the circumference of the the circular pool.

• 14ft

• 7ft

• 43.96ft

• 21.98ft

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 12ft

• 24ft

• 37.68ft

• 75.36ft

Tags

CCSS.7.G.B.4

What does C represent in the formula:

C = π·d

• Pi

• Circumference

• Diameter

• Area

Tags

CCSS.7.G.B.4

What does d represent in the formula:

C = π·d

• diameter

• radius

• pi

• 3.14

Tags

CCSS.7.G.B.4

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1