Circles Review

The distance halfway across the circle is called the...

• radius
• diameter
• circumference
• area

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

A circle has a diameter of 36 ft. What is the radius?

• 18

• 72

• 14

Tags

CCSS.7.G.B.4

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

What is the circumference?

• 48
• 96
• 24
• 18

Tags

CCSS.7.G.B.4

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 10 meters?

• 5 meters
• 15.7 meters
• 3.14 meters
• 31.4 meters

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 33 ft?

• 207.2 ft
• 197.2 ft
• 217.2 ft
• 227.2 ft

Tags

CCSS.7.G.B.4

A minute hand (radius) of a clock is 22 feet long. What is the circumference of the clock?

• 138.16 feet
• 119.12 feet
• 118.24 feet
• 133.82 feet

Tags

CCSS.7.G.B.4

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

• C = pi x r
• C = pi x 2r
• C = pi x D
• C = pi x 2D

Tags

CCSS.7.G.B.4