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Trigonometry – Angles and Triangles Lesson 1-1 Practice Exercises
Multiple Choice
Identify the choice that best completes the statement or answers the question.
A
B
C
D
1.
Which of the following is the equivalent of
?
a.
c.
0.52
b.
d.
0.45
A
B
C
D
2.
Which of the following is equivalent to 0.5
?
a.
270
c.
90
b.
180
d.
78
A
B
C
D
3.
Let
a
= 25
and
b
= 155
. What is
a
+
b
in radians?
a.
c.
b.
d.
A
B
C
D
4.
Your friend is waving to you from the top of a nearby building. The angle of elevation is 36
. How many radians is that?
a.
c.
b.
d.
A
B
C
D
5.
= 75
and
= 45
. How many radians are they when they are added together?
a.
c.
b.
d.
