In this lesson, students derive the Law of Cosines, Solve SAS and SSS triangles, find area using Heron's Formula,and solve application problems. The lesson includes a Smart Notebook file, an 8-page graphic organizer in the form of a Dinah Zike "Bound-book foldable" with directions for creating the handout. There is also *.pdf file of the completed lesson.
Jean has taught grades 8 through 12 for over 18 years in the Central Florida area. In addition she shares her strategies with colleagues through local and national math conferences.