This video uses a real world scenario to explore angles of triangles and parallel lines. We will begin to solve the problem: How should I set solar panels to optimize sun angles?

Originally released by Apperson, 2013. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

What We Know vs. What We Need to Know (4:41); --Measuring Angles (6:27); -- Making Sure Angles are Correct (4:07); -- Choosing the Correct Brackets (1:57); -- Solving the Big Question (3:43); .