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GEO: 1-3 QC Angle Measures
Contributed by: Maynard
(Original author: Crouch)

right

 obtuse

1. Which type of angle has a measure     greater than 0o but less than 90o?

acute

adjacent

O
D
E
F
m<DOF =

2. If m∡DOE= 33o  and

    m∡EOF = 11o,

    then what is the

    measure of ∡DOF?

degrees
O

3. If m∡EOG = 64o and m∡FOG = 38o, then 

    what is the measure of ∡EOF?

E
F
G

16

64

26

90

O

4. If m∡EOG = 64o use the expressions for each angle

    below and find the value of x. 

E
4x + 14
2x + 8
F
G
x = 

6

7

42

64

5.
x = 
6. Give one other way to name ∡1 below.
1
2
EDW
∡edw
∡EDW
∡D
7. Give one other way to name ∡WDC below.
1
2
∡DWC
∡cdw
∡D
∡2
8. Use the protractor to measure the angle picturedbelow.
J
K
L
m∡KJL = 
133o
50o
127o
53o
9. Use the protractor to measure the angle pictured    below.
K
J
L
m∡KJL = 
81o
99o
100o
90o
10. Use the protractor to measure the angle pictured      below.
J
K
L
m∡JLK = 
30o
25o
165o
155o
11. Classify the angles by their measure.
Term not used: 
A
N
L
acute angle
?
Straight angle
?
B
M
supplementary angle
?
C
Q
right angle
?
J
G
obtuse angle
?
H
R
S
12.  Find the measure of angle ADB if the measure of 
       angle ADC is 74 degrees. 
16 degrees
33 degrees
23 degrees
51 degrees
13.  If the measure of angle ABD is 107 degrees, what is        the measure of angle CBD?
66 degrees
16 degrees
90 degrees
41 degrees
14.   Ray AB is a bisector of angle DAC.
        Find the value of x. 
x =
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