Changes

===Name of the activity===

Complementary angles are two angles with a sum of 90°. A common case is when they form a right angle.

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 complementary?

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

# What types of angles form complementary pair?

# What types of angles form complementary pair?