Math 490, Spring 2021
- Author:
- Kellie Evans
GeoGebra demos for Spring 2021
Table of Contents
Triangles, Trig, and Tech
- Construct a triangle with the given side lengths
- Triangle Side Lengths (visualize Triangle Inequality)
- Triangle with given side lengths
- Angle sum triangle
- Triangle Angle Sum Theorem
- Angle sum triangle explanation
- Pythagorean theorem
- Law of Cosines
- Law of Sines
- Inscribed and central angles of a circle.
- Ptolemy
- Outline of proof of Ptolemy's theorem
- Graphs of cosine and sine from unit circle
Congruence
Similarity
Golden Rectangles and Golden Triangles
pi
e
Probability
De Moivre's formula
Geometric Transformations
Sample Activities
Straightedge and Compass Constructions