Circle Quiz Review

A circle has a diameter of 10 what is the radius?

• 10

• 20

• 5

• 100

Tags

CCSS.7.G.B.4

What part of the circle is present?

• circumference

• center

• diameter

• radius

If you are given a diameter and asked to find the radius what do you do?

• divide the radius by 2

• multiply the radius by 2

• Square root the radius

• Square the radius

Tags

CCSS.7.G.B.4

Name the part shown in the given circle.

• Diameter

• Segment

• Circumference

• Radius

What is the area of a circle with a diameter of 12 inches? Leave your answer in terms of π.

• 12 π in²

• 24 π in²

• 36 π in²

• 144 π in²

What is the formula for the area of a circle?

• 2 π r

• π d

• π d²

• π r²

Tags

CCSS.7.G.B.4

What is the formula for the circumference of a circle? Select ALL that apply.

• 2 π r

• π d

• π d²

• π r²

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

Find the circumference of a circle with a radius of 12.5 mm. Use 3.14 for π.

• 37.68mm

• 18.84mm

• 78.5mm

• none of the above