Working with
 Circles and Chords

Topic Index | Geometry Index | Regents Exam Prep Center


Answer the following questions dealing with the Chords and Circles.

(Do not assume that diagrams are drawn to scale.)
 

1.

Given:  Circle O
CD
= 16
AB = 16
OB = 10
marked perpendiculars

Find OF.

          
Choose:

4.5
6
7.5
10

 

 

2.

Given:  Circle O,
diameter, marked perpendicular


Find x.

Choose:

  2.5
  5
  6.5
10

 

 

3.

Given:  Circle O,
marked perpendiculars, hash marks indicating congruent

 
Find x.

Choose:

4
8
10
16

 

 

4.

Given:  Circle O,
AB = CD, marked perpendiculars

Find x.

Choose:

6
9
15
16

 

 

5.

Given:  Circle O,
marked perpendicular

Find AB.

Choose:

26
32
40
64

 

 

6.

A plane intersects a sphere.  The diameter of the intersection is 8.  The diameter of the sphere is 20.  Find x.

Choose:




 

 

7.

Given:  Circle O,

Find CD.

Choose:

8
12
14
16

 

 

8.

Given:  Circle O,

Choose:

50
60
80
100

 

 

9.

Given:  Circle O,

Choose:

80
100
120
140

 

 

10.

Given:  Circle O,

Choose:

80
90
125
160


 

 
11.

Given:  Circle with indicated center,
marked parallels


Find x.

Choose:

40
80
120
240