Changes

===Name of the activity===

Supplementary angles are two angles with a sum of 180°. A common case is when they lie on the same side of a straight line.

Brief blurb describing what the activity. If this has been borrowed from some external web site (for example, a non OER or OER site which had this idea and based on which the activity was developed)

=== Objectives ===

=== Objectives ===

# Is it required for the pair of angles to be adjacent to be supplementary?

# Is it required for the pair of angles to be adjacent to be supplementary?

# What type of angles form supplementary pair?

# What type of angles form supplementary pair?