Parts of Circle

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

What does the line segment on the circle represent?

• the radius

• the diameter

• the circumference

What is the length around a circle called?

• the radius

• the diameter

• the circumference

What is a segment with its endpoints on the circle that passes through the center called?

• the radius

• the diameter

• the circumference

What is the radius doubled (times 2)?

• the diameter

• the radius

• the area

• pi

What is the diameter divided by 2?

• the circumference

• the radius

• the area

• pi

What is the radius if the diameter is 12 m ?

• 24 m

• 6 m

• 4 m

• 48 m

The distance across a circle through the center is called the_______________.

• radius

• circumference

• diameter

• area

Name the circle part shown

• Arc

• Sector

• Chord

• Radius

Name the circle part shown in red

• Diameter

• Radius

• Sector

• Tangent