Henrico County Public Schools

Middle School Explorations and Investigations

Here are several geometry problems and investigations. The geometry content of these pages target the high school level.




Polygon Area: Create polygons on a grid to determine their area. Four Activites.




Complementary Angles: Explore these inside a triangle.

Sum of the angles of a Triangle: Move the figure and discover the relationships.

Supplementary Angles: Explore these inside a quadrilateral.

Vertical Angles: What are these? What are the relationships?

The Sides of a Triangle Relationship:

Polygon Area 1

Polygon Area 2

Polygon Area 3

Polygon Area 4

Complementary Angles

Triangle Angles

Supplementary Angles

Vertical Angles

Triangle Sides

C.a.R. Help