Corresponding Angles

When two lines are crossed by another line (called the Transversal):

The angles in matching corners are called Corresponding Angles.

In this example, these are corresponding angles:

  • a and e
  • b and f
  • c and g
  • d and h

corresponding angles

Parallel Lines

When the two lines being crossed are Parallel Lines the Corresponding Angles are equal.

(Click on "Corresponding Angles" to have them highlighted for you.)