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CPM Geometry – Chapter 8

Polygons and Circles
  In this chapter, students work with quadrilaterals and triangles to focus on the angles, area and perimeter of polygons with any number of sides. The themes are circles and polygons.  During this chapter students:

  • Find the connections between the interior and exterior angles and number of sides of a polygon.
  • Find the area of a regular polygon and generalize it to find the area of a circle.
  • Use their new knowledge about polygons, similar figures, and circles in a variety of problems that require them to reason through using their algorithms and formulas in different ways.

Homework help for this chapter is here

Homework help offers tips, strategies and sometimes solutions for every homework question in this chapter.

Practice/Activities/Games

  • Parent Guide from CPM for this chapter is here
  • Additional practice coming soon…