Circle Review 2023

Name the part shown in the given circle.

• Diameter

• Segment

• Circumference

• Radius

Name the part shown in the given circle.

• Radius

• Chord

• Circumference

• Diameter

What is the formula for the perimeter of a circle? Select all that apply.

• 2 π r

• π d

• π d²

• π r²

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

• diameter
• radius
• π
• center

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Which segment is the diameter?

• AC
• BD
• LM
• CE

What is the radius?

• 18

• 72

• 38

• 14

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

Which segment is a radius?

• LM
• DC
• BD
• ML

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

• 20ft
• 5ft
• 31.4ft
• 62.8ft