Angles on a Parallel Line

Angles in
Parallel Lines

What each of the angles are called and what do they do.

Corresponding angles are angles that are facing the same way.
This is the F shaped angle.
These angles are equal.

For Example - if one is 60⁰ then the other is going to be 60⁰

Corresponding Angles

Alternate angles are angles that are face two different ways and are on top of each other.
This is the Z shaped angle.
These angles are equal.

For Example - if one is 50⁰ then the other is 50⁰

Alternate Angles

Allied or Co-Interior angles are angles that are in the same space.
This is the C shaped angles.
These angles add up to 180.

For Example - if one of the angles were 70⁰ then the other angle will be 110⁰

Allied or Co- Interior Angles

Opposite angles are angles that are exactly opposite to it.
This is the X shaped angle.
These angles are equal.

For example - if one angle is 20⁰ then the other angle is 20⁰

Opposite Angles

Match

Match the following angles to what they are called.

The corresponding angles

The alternate angles

The co-interior angles

opposite angles

• The corresponding angles

• The alternate angles

• The co-interior angles

• opposite angles

Draw

What does a co-interior angle look like and what would it be if one of the angles were 45⁰?

Multiple Choice

What is X and Y?

• 45

• 90

• 53

• 27

Multiple Choice

What is X?

• 32

• 125

• 148

• 50