What I Have Learned
You have reached the part of the module where you are able to summarize the
concepts you've learned for lesson 1.
Activity 4. WHAT'S THIS?
Identify what is being described in each of the following statements.
1. Two angles that form a straight line, and their sum is always 180°.
2. A pair of angles form a right angle and have a sum of 90°
3. Two angles that are next to each other. They share a common side and an
endpoint.
4. Pair of angles that are directly opposite each other. They are equal.​