Geometry

Jeremy Babel, Feb 10, 2014

This is a collection of geogebratube diagrams appropriate for a high school geometry class.

Table of Contents

  1. Similar Triangles and Proportions
    1. Angle Bisector of a triangle - proportions
    2. Side Splitter Theorem
    3. Corollary of the Side Splitter Theorem

1.

Similar Triangles and Proportions

  • 1. Angle Bisector of a triangle - proportions
  • 2. Side Splitter Theorem
  • 3. Corollary of the Side Splitter Theorem

1.1.

Angle Bisector of a triangle - proportions

Given segment BD is an angle bisector. What do you notice about how segment AC has been cut in relation to the other two sides of the triangle? Click and drag any of the vertices of triangle ABC to test your conjecture.

Write a hypothesis about how an angle bisector of a triangle cuts the side opposite in relation to the two other sides of the triangle.
– Jeremy Babel

1.2.

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1.3.

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