Objective: I will use known dimensions, areas and perimeters to find missing values for regular polygons and circles.
Language/Journal: Explain how the area of a triangle is related to the area of a regular polygon.
Homework due today: Notes 9-2 Developing Formulas for Triangles and Quadrilaterals<- click and print if you didn't get a copy in class. If printing from website, you may want to download the file to get the best print version. Use the videos below to complete the notes.
In class practice: Textbook Resources: Chapter 9-2
Homework for next time: Notes 9-3 Composite Area
You Tube Videos below. Scroll further down for higher resolution screencast videos.