My topic

My name is Zach. I am making an educational game for game design and I was asked to have a topic for my game I am attempting to create. My topic falls under mathematics and to be more clear since math is a broad topic, the sub topic is complementary angles.
To research about complementary angles and the definition of, I went to http://en.wikipedia.org/wiki/Complementary_angle. There I got information that told me exactly what type of angles they are and why they are called complementary angles.

Any Two Angles That Forms A Right Angle (90 Degrees)