2-D Geometry

Table of Contents

• Angles

  • Types of Angles
  • Complementary Angles Meaning
  • Exploring Complementary Angles
  • Supplementary Angles Meaning
  • Vertical Angles Theorem
  • Vertical Angles Exploration (2)
  • Same Side Interior Angles and Parallel Lines
  • Alternate Interior Angles
  • Alternate Interior Angles and Parallel Lines
  • Same Side Exterior Angles and Parallel Lines
  • Interior Angles in Polygons Exploration
  • Sum of Interior Angles of a Polygon
  • Polygons: Exterior Angles - REVAMPED
  • Alternate Exterior Angles and Parallel Lines
  • Lambourghini Turning Angles
  • Exterior Angles of Polygons

• Polygons -- Areas

  • Area of a Rectangle
  • Rectangle Area
  • Square Area
  • AREA OF SQUARE
  • Triangle Area Action! (V1)
  • Parallelogram: Area
  • Parallelogram Area
  • Area of a Rhombus
  • Trapezoid: Area (I)
  • Triangle Area Action!!! (V2)

• Solids -- Surface Area

  • Surface Area: Introductory Exercises
  • The Surface Area of Cylinder

• Volumes

  • Volumes of Rectangular Prisms
  • Volumes of Rectangular Prisms
  • Volume of a Rectangular Prism
  • Volumes of Cubes and Prisms
  • Volume of a Cylinder and Pyramid Investigation
  • Exploring Volume of a Cylinder
  • G.GGMD.3 Volume of a cylinder
  • Voluem of Pyramid ( Method I )
  • Volume of Pyramid

• Circles and Spheres

  • 8.2 Area of Circles
  • Area of Circles
  • Area of a Circle - without words (Animation 38)
  • Volume Of Sphere
  • Volume of a Sphere
  • Sphere Surface Area #1
  • Surface area of a sphere