Angles Formed by a Transversal

Corresponding Angles

Same side, same position

Example: Angles 1 and 3

Alternate Interior Angles

Different sides, on the inside

Example: Angles 2 and 6

Alternate Exterior Angles

Different sides, on the outside

Example: Angles 1 and 5

Consecutive Interior Angles

Same side, on the inside

Example: Angles 7 and 6

Consecutive Exterior Angles

Same side, on the outside

Example: Angles 1 and 4