Circle Components

What is the name of the line that goes from the center to the edge of the circle?

• Circumference

• Chord

• Radius

• Diameter

What do we call the distance across the circle through the center?

• Chord

• Diameter

• Radius

• Circumference

Identify the point at the center of the circle.

• The center of the circle is point C.

• The center of the circle is the point O.

• The center of the circle is point A.

• The center of the circle is point B.

What is the term for the distance around the circle?

• Radius

• Circumference

• Area

• Diameter

Label the part of the circle that is half the diameter.

• radius

• circumference

• diameter

• sector

What do we call a line that touches the circle at exactly one point?

• Tangent

• Secant

• Chord

• Diameter

Identify the area inside the circle.

• A = 2πr

• A = r² + h²

• A = πd

• A = πr²

What is the term for the longest chord in a circle?

• Diameter

• Arc

• Radius

• Chord

Label the part of the circle that is formed by two radii and an arc.

• chord

• diameter

• tangent

• sector

What do we call the part of the circle that is less than half of the circle?

• major arc

• diameter segment

• minor arc

• circle segment