Parallel Lines And Angle Sums Worksheet With Answers - Kathryn Schulte, Northeastern University College Of Engineering
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1
2Parallel Lines and Angle Sums - Worksheet
l m
1. d
e
These angles are called
Alternate Interior
angles
2. a
e
These angles are called Corresponding
angles.
3. Alternate interior angles form the capital letters Z
or
N
.
4. Corresponding angles form the capital letter
F
.
5. Interior angles form the capital letter
U
.
6. Parallel lines never
Intersect
.
t
7. Line
is called a transversal
.
8. b + h = 180 °
9. e + c =
180 °
10.
a
d
e
h
Use the diagram above as shown to answer the following questions:
11. Given:
a = 115 °
12. Given: b = x + 15 °,
h =2x °
a = 115
°
e = 115 °
a = 110
°
e = 110
°
b =
65
°
f =
65
°
b =
70
°
f =
70
°
c =
65
°
g =
65
°
c =
70
°
g =
70
°
d = 115
°
h =
115
°
d =
110
°
h =
110
°
13. Given: c = 3x °,
h =x + 40 °
a =
74
°
e = 74
°
b =
105
°
f =
105 °
c =
105 °
g =
105 °
d = 74
°
h =
74 °
Created by: Kathryn Schulte 7/2005
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