Category: Geometry

Review For Videos 200-204

The following 11-question review covers the material on MathDoctor.net videos 200 through 204:

It covers the following subjects:

  • Arithmetic series
  • Complementary and supplementary angles
  • Vertical angles
  • Isoceles, scalene, and equilateral triangles
  • Acute, obtuse, and right angles
  • Triangle angle sum theorem
  • Solving word problems
  • Order of operations



Triangle Theorems

 

This video covers the following topics:

Triangle angle sum theorem:  The sum of a triangle’s angles equals 180 degrees.

Triangle inequality theorem:  In any triangle, the sum of any two sides must be greater than the other side.

Video #202



Geometry Vocabulary

This two-part video covers geometry vocabulary.

Part A:

Part B:

This video covers the following definitions:

  • right angle
  • acute angle
  • obtuse angle
  • straight angles
  • adjacent angles
  • complementary angles
  • supplementary angles
  • vertical angles

This is MathDoctor.net Video #201.