Identify Circles

A _________ is a segment in a circle that has endpoints on the circle.

• Radius

• Diameter

• Chord

• Arc

A __________ is a segment that connects the center of a circle to a point on the circle.

• Chord

• Radius

• Diameter

• Arc

A __________ is the longest chord in a circle and goes through the center of a circle.

• Diameter

• Arc

• Chord

• Radius

Name the circle.

• Circle R

• Circle T

• Circle S

• Circle L

If RY = 10 in, find XR and RB.

• XR = 20 in, RB = 10 in

• XR = 10 in, RB = 10 in

• XR = 5 in, RB = 10 in

• XR = 10 in, RB = 25 in

If the C = 40π cm, find the radius.

• 20 cm

• 40 cm

• 80 cm

• 20π cm

If the diameter of a circle is 15 in, find the circumference.

• 30 cm

• 30π cm

• 15π cm

• 15 cm

Find the exact circumference.

• 24π cm

• 7π cm

• 25π cm

• 25

Find the exact circumference.

• 58 mi

• 29π mi

• 42π mi

• 58π mi

The diameter of circle L is 20 units and the diameter of circle M is 13 units and QR = 4. Find LQ.

• 16 units

• 6 units

• 14 units

• 9 units