Introduction to Geometry

GreenMaths, pchou, Nov 30, 2015

Simple applets useful for introducing Geometry to first year students.

Table of Contents

  1. Planes and Lines
    1. Planes, lines etc
    2. Planes, lines etc completed
  2. Angles
    1. Angles as rotations
    2. Straight angles and full circle angles.
    3. Angle Size and Arm Length
    4. Measuring with a protractor
    5. Vertically Opposite Angles 2
    6. To Show That Vertically Opposite Angles Are Equal
  3. Parallel Lines
    1. Showing Alternate Angles
    2. Showing Corresponding Angles
    3. Showing the Sum of Interior Angles
    4. Parallel Lines and Alternate and Corresponding Angles
    5. Non-Parallel Lines and Alternate and Corresponding Angles
    6. More Exercises with Parallel Lines
  4. Triangles
    1. The sum of the angles in a triangle?
    2. Sum of the angles in a triangle
    3. Triangle Exterior Angle Sum Theorem
    4. Isosceles Triangles
  5. Constructions
    1. Construction - Divide a line segment into equal parts

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