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# Coterminal and Reference Angles - Practice #2 (Grades 11-12)

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## Coterminal and Reference Angles - Practice #2

1.
The acute angle that is formed by the terminal side and the x-axis is called the                          .
1. reference angle
2. terminal angle
3. complement
4. right angle
5. none of these are correct
2.
Coterminal angles are angles which, in standard form, share a terminal side.
1. True
2. False
3.
Find the reference angle for the given angle. 211.4°
1. 121.4°
2. 58.6°
3. 31.4°
4. 148.6°
4.
What is the reference angle for $(7 pi) /4 ?$
1. $pi/4$
2. $pi/3$
3. $pi/6$
4. $(3pi)/4$
5.
What is the reference angle for $-115deg$?
1. 55°
2. 65°
3. 235°
4. -35°
6.
What is the reference angle for $(7pi)/6 ?$
1. $(2pi)/3$
2. $pi/3$
3. $pi/6$
4. $(5pi)/6$
7.
The terminal side of an angle measuring -865° lies in which quadrant?
1. Q I
2. Q II
3. Q III
4. Q IV
8.
The terminal side of an angle measuring $(13pi)/16$ radians lies in which quadrant?
9.
Which of the following is a coterminal angle for $-95deg$?
1. 455°
2. -275°
3. 85°
4. -455°
10.
Which of the following is a coterminal angle for $75deg$?
1. -135°
2. 495°
3. 315°
4. -285°
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