1. ©2009 G Dear – Not to be sold/Free to use
Stage 4
Years 7 & 8
Angled between
Parallel Lines
Corresponding
Angles
Press Ctrl-A
©2009 G Dear – Not to be sold/Free to use

2. shape F Corresponding Angles Corresponding Angles are equal.
They make a
shape F
To see
them.
Press

3. F shape Corresponding Angles Corresponding Angles are equal.
They make a
F shape
70o
110o
70o
110o

4. F shape Corresponding Angles They make an Corresponding Angles
are equal.
110o
70o
110o
70o

5. Two Alternate Angles Exercisesao
140o
bo = 140
ao = 40o
Alternate Angles
in Parallel Lines. bo
40o

6. Two Corresponding Angles Exercises
do = 50
bo = 130
co = 50o
ao = 130o
Corresponding
Angles
in Parallel Lines. ao
50o do bo