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Radians and Reference Angles
By Megan Callaghan
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Last updated over 4 years ago
26 questions
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Question 1
1.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 2
2.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 3
3.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 4
4.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 5
5.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 6
6.
What kind of an angle is this?
Acute
Obtuse
Right
Straight
Question 7
7.
What does it mean when an angle is in Standard Position? Discuss with your group, then write a few sentences to explain your reasoning:
Question 8
8.
Draw a 30⁰ angle in Standard Position on the unit circle, remember to label the angle, including the direction from standard position:
visibility
View drawing
Question 9
9.
What angle is
supplementary
to 30⁰? (just write the number value, for example for 20⁰, write 20)
Question 10
10.
What angle is
complementary
to 30⁰? (just write the number value)
Question 11
11.
Draw the angle -30⁰ in standard position:
visibility
View drawing
Question 12
12.
What is NOT a co-terminal angle to -30⁰?
-390⁰
330⁰
690⁰
90⁰
Question 13
13.
Draw the angle 405⁰ in standard position:
visibility
View drawing
Question 14
14.
What angle IS co-terminal to the angle 405⁰?
30⁰
45⁰
90⁰
180⁰
Question 15
15.
Converting between angle and radian measures:
What is 0⁰ in radians?
Question 16
16.
Converting between angle and radian measures:
What is 30⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 17
17.
Converting between angle and radian measures:
What is 45⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 18
18.
Converting between angle and radian measures:
What is 60⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 19
19.
Converting between angle and radian measures:
What is 90⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 20
20.
Converting between angle and radian measures:
What is 180⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 21
21.
Converting between angle and radian measures:
What is 270⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 22
22.
Converting between angle and radian measures:
What is 360⁰ in radians? (write out 'pi' or use the π symbol to type your answer)
Question 23
23.
Draw and label the reference angle for a terminal angle of
290⁰
:
visibility
View drawing
Question 24
24.
What is the reference angle for 290⁰?
Question 25
25.
Draw and label the reference angle for a terminal angle of
-5π/4
, you can label the radian measures of your x and y axis to help:
visibility
View drawing
Question 26
26.
What is the reference angle for -5π/4? (you can writhe as π or pi)