Test on Circles

Find the arc measure for arc RQT

• 335˚

• 126˚

• 224˚

• 94˚

In ⨀C, m(arcAB)= 72. Find m∠BCD.*

• 72

• 108

• 144

• 180

Find the length of (arc PQ) in ⨀R to the nearest hundredth.

• 9.42 m

• 3.14 m

• 4.71 m

• 1.57 m

Find the equation of a circle with center (0, 0) and radius 4.

• A
• B
• C
• D

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

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Find the arc length.

• 5.50 cm

• 11.00 cm

• 0.39 cm

• 141.37 cm

Find the radius r

• 2

• 3

• 4

• 5

What is the radius of this circle?

• 6

• 5

• 3

• 4