Parallel%20Lines

1
Parallel Lines
Definition A pair of parallel lines are lines
which are always equidistant apart.
2
Corresponding angles
d
c
d
c
Corresponding angles are equal.
3
Example Work out the missing angles for each of
the following. (i)
65
a
b
c
4
(ii)
q
r
p
93
5
(iii)
6
(iv)
u
59
v
7
Alternate angles
a
b
a
b
Alternate angles are equal.
8
Example Work out the missing angles for each of
the following. (i)
a
b
73
c
9
(ii)
e
f
d
125
10
(iii)
11
(iv)