Chord Radius Diameter Circumference

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

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

• 2.5 units

• 6.5 units

• 13 units

• 9 units

A __________ is the set of all points equidistant from a common point.

• Circle

• Diameter

• Radius

• Chord

Identify a radius.

• RS

• ST

• WL

• RT

Identify a chord.

• RT

• LT

• WL

• LR

How many chords does the circle contain?

• 0

• 1

• 2

• 3

If AB = 18cm, find AR.

• 18 cm

• 36 cm

• 6 cm

• 9 cm

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