Working with
Tangents and Circles

Topic Index | Geometry Index | Regents Exam Prep Center


Answer the following questions dealing with the tangents and circles.

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

1.

          
Choose:

7.5
12
15
30

 

 

2.

Choose:

21
16
8
4

 

 

3.

 

Choose:

15
14

12
9

                                                                          
4.

Choose:

12
8
4
2

 

 

5.

 

 

Choose:

5
6
7
9

 

 

6.

Choose:

5
10

12
15
 
                                                                                   
7.

 



(OB = 15)

Choose:

YES
NO

 

 

8.


a = OA; b = OB; c = CB

Find a, b, c.

 
                  Choose:  a =

                9
               
12 
                 14
               
16

  Choose:  b =
 16
 18
  20
  24
 

Choose:  c =

12 
14 
 16
20

 

 

9.



Choose:

YES
NO

 

 

 

10.

The segment through point B is tangent to circle A.

What is the equation of the tangent?


Answer