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