Geometry

Polygons

Polygons are plane figures made of straight lines, like triangles and quadrilaterals. Using Triangles to Find the Sum of Interior Angles will help elevate your mastery in preparation for Trigonometry while Calculating the Perimeter of a Rectangle will refine basic Geometry skills. Learn to distinguish between shapes in Identifying Polygons and explore the first level of basic skills in Perimeter Formula. Whether you are finding the Perimeter of Irregular Polygons or Calculating the Perimeter of a Triangle, this course offers multiple levels and concepts that are sure to challenge you.