Name: 
 

Algebra 2 Ch 12 Practice Test


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Find a positive coterminal angle with -135°
a.
45°
c.
-495°
b.
225°
d.
135°
 

 2. 
Express 25° 15' 25" in decimal degrees.
a.
25.1525°
c.
25.2569°
b.
25.6667°
d.
25.2515°
 

 3. 
Express 75.1234° in degrees, minutes, and seconds rounded to the nearest second.
a.
75° 12' 34"
c.
75° 7'
b.
75° 34' 12"
d.
75° 7' 24"
 

 4. 
An acute angle q is in standard position and its terminal side passes through the point P(3,4).  Find the Sin q.
a.
4/5
c.
5/4
b.
3/5
d.
5/3
 

 5. 
Find the reference angle for 220°
a.
50°
c.
580°
b.
40°
d.
220°
 

 6. 
Without using a calculator find the Cos 210° in simplest radical form.
a.
1/2
c.
alg2ch12practicetes_files/i0070004.jpg
b.
-1/2
d.
alg2ch12practicetes_files/i0070005.jpg
 

 7. 
Without using a calculator find the Tan 330° in simplest radical form.
a.
alg2ch12practicetes_files/i0080004.jpg
c.
alg2ch12practicetes_files/i0080005.jpg
b.
alg2ch12practicetes_files/i0080006.jpg
d.
alg2ch12practicetes_files/i0080007.jpg
 

 8. 
Without using a calculator find the csc (-225)°  in simplest radical form.
a.
alg2ch12practicetes_files/i0090004.jpg
c.
alg2ch12practicetes_files/i0090005.jpg
b.
alg2ch12practicetes_files/i0090006.jpg
d.
alg2ch12practicetes_files/i0090007.jpg
 

 9. 
Without using a calculator find the Sec 270° in simplest radical form.
a.
0
c.
1
b.
undefined
d.
-1
 

 10. 
Use a calculator to find the Cot 34.7°
a.
0.6924
c.
1.4443
b.
0.8221
d.
0.5693
 

 11. 
Use a calculator to find the Cos 87° 17'
a.
0.0494
c.
0.0523
b.
0.0515
d.
0.0474
 

 12. 
Use a calculator to find the Sin 234.7°
a.
-0.8161
c.
-0.8102
b.
0.8161
d.
0.8102
 

 13. 
Use a calculator to find q , if the Cos q = -0.5560, and 0° < q  < 180°
a.
55.6°
c.
236.2°
b.
123.8°
d.
-33.8°
 

 14. 
Use a calculator to find q , if the Sin q = 0.7347, and 0° < q  < 90°
a.
0.0128°
c.
47.3°
b.
42.7°
d.
36.3°
 

 15. 
In a right triangle ABC, ÐA = 19° and side c = 70, find side a.
a.
66.2
c.
70
b.
19
d.
22.8
 

 16. 
In a right triangle ABC, side b =66.2, and side c = 70, find ÐA.
a.
19°
c.
71°
b.
90°
d.
17°
 

 17. 
In triangle ABC (not a right triangle), side a = 24, and side c = 32, and ÐB = 115°, find side b.
a.
2249.1
c.
27.0
b.
47.4
d.
25.5
 

 18. 
In triangle ABC (not a right triangle), side a = 18, side b = 25, and side c = 12, find ÐB.
a.
0.999°
c.
111.3°
b.
68.7°
d.
21.2°
 

 19. 
In triangle ABC (not a right triangle), side a = 4.56, ÐA = 43°, and ÐC = 57°, find side c.
a.
0.73
c.
17
b.
7.3
d.
5.6
 

 20. 
In triangle ABC (not a right triangle), side b = 9, side c = 12, and ÐA = 40°.  Find the area.
a.
34.7
c.
41.4
b.
69.4
d.
82.8
 



 
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