Circles Review

What is the measure of arc AD?

• 38

• 142

• 180

• 153

What is the measure of arc AB?

• 140

• 142

• 180

• 153

Which is true of a major arc?

• Forms half a circle.

• Forms a whole circle.

• Measures greater than 180 degrees.

• Measures less than 180 degrees.

What is the measure of ∠PTQ?

• 100°

• 140°

• 180°

• 120°

What is the measure of arc NJM?

• 55°

• 60°

• 305

• 135°

Which segment is the diameter?

• AC

• BD

• LM

• CE

Which segment is a radius?

• LM

• DC

• BD

• ML

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm

• 18.84mm

• 78.5mm

• none of the above

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6