Geometry - We spent the hour reviewing the formulas for calculating areas of various quadrilaterals and extended this discussion to find the areas of irregular figures (Sec. 9,4, 9.3 LAB).
To learn more about Pick's Theorem, read this article or read this article. You can also watch this video.
To learn more about Heron's Theorem, read this article or watch this video.
College Algebra - We began our discussion of the unit circle, focusing on angles measured in angles and radians.
Read this article for a historical perspective on degrees and angles: "Intuitive Guide to Angles, Degrees, and Radians"