1. [pic]*Not drawn to scale.

If the circle above has a circumference of 54 feet and the length of arc Q is 3 feet, then what is the measure of [pic]COA? [pic]A.45°

[pic]B.36°

[pic]C.20°

[pic]D.60°

2. [pic]

In the circle above the length of arc BC is 3 cm, [pic]BOC = 34°, and [pic]AOB = 68°. What is the length of arc AB?

[pic]A.21 cm

[pic]B.4 cm

[pic]C.10 cm

[pic]D.6 cm

3. Given a circle with center B and [pic]ABC = 72°, determine the measure of [pic]AKC. [pic]

[pic]A.144°

[pic]B.36°

[pic]C.18°

[pic]D.72°

4. [pic]

In the picture above, point O is the center of the circle and the line passing through the points A and B is a tangent line to the circle. If the length of line segment OA is 2 mm and is equal to the length of line segment AB, then what is the length of line segment OB? [pic]A.2

[pic]B.3[pic]2

[pic]C.1[pic]3

[pic]D.2[pic]2

5. [pic]*Not drawn to scale.

In the circle above, [pic]COA = 18°, and arc Q = 6 inches. What is the length of arc R? [pic]A.76 inches

[pic]B.95 inches

[pic]C.114 inches

[pic]D.133 inches

6. [pic]*Not drawn to scale.

In the circle above the measure of arc Q is 5[pic] inches and [pic]COA = 120°.

What is the radius of the circle shown above?

[pic]A.7.5 inches

[pic]B.6 inches

[pic]C.3 inches

[pic]D.9 inches

7. [pic]Which of the following line segments represents a chord in the picture? [pic]A.line segment BO

[pic]B.line segment AO

[pic]C.line segment DE

[pic]D.line segment FG

8. [pic]

The area of circle O shown above is 9[pic] cm2. What is the length of line segment AB? [pic]A.18 cm

[pic]B.9 cm

[pic]C.6 cm

[pic]D.3 cm

9. If circumference of the circle shown below is 96 cm and [pic]CKA = 15°, then what is the measure of the minor arc CA? [pic]

[pic]A.7 cm

[pic]B.5 cm

[pic]C.6 cm

[pic]D.8 cm

10. Given a circle with a diameter of 8 cm, what is the approximate circumference? [pic]A.25 cm

[pic]B.50 cm

[pic]C.38 cm

[pic]D.13 cm

11. [pic]

In the circle above, line segment AC is a diameter which intersects the line segment BD at a right angle, the measure of line segment BE is 6 cm, and the measure of line segment EC is 8 cm. What is the measure of the line segment DC? [pic]A.10 cm

[pic]B.5 cm

[pic]C.12 cm

[pic]D.9 cm

12. [pic]

Segment e = 3 cm and segment g = 2 cm. Find the length of segment f. [pic]A.6 cm

[pic]B.5 cm

[pic]C.4 cm

[pic]D.2 cm

13. The circle below with center O is shown with two different arcs. Arc Q is shown in red and arc R is shown in blue. Which of the following is correct? [pic]*Not drawn to scale.

[pic]A.The length of arc Q is three times the length of arc R. [pic]B.Q is the minor arc and this circle does not have a major arc. [pic]C.Q is the major arc and R is the minor arc.

[pic]D.Q is the minor arc and R is the major arc.

14. [pic]Which line segment above represents a secant of the circle? [pic]A.line segment OP

[pic]B.line segment YZ

[pic]C.line segment RS

[pic]D.line segment MN

15. If the diameter of a circle is 6 cm, then what is the radius? [pic]A.12 cm

[pic]B.3 cm

[pic]C.4.5 cm

[pic]D.1.5 cm

16. [pic]

In the figure above, segment AC is the diameter of the circle. If the length of segment BD = 5 inches, find the length of segment BE. [pic]A.5 inches

[pic]B.15 inches

[pic]C.10 inches

[pic]D.2.5 inches

17. [pic]*Not drawn to scale.

In the circle above the measure of arc Q is 3 inches and [pic]COA = 45°. What is the circumference of the circle shown above?

[pic]A. 24 inches[pic] B. 29 inches [pic] C.17 inches [pic] D.16 inches

18. [pic]In circle B, line segment AC is the

[pic]A.radius

[pic]B.circumference

[pic]C.center

[pic]D.diameter

19. [pic]Which of the following angles is a central angle? [pic]A.[pic]ABC

[pic]B.[pic]AKC

[pic]C....