Thales' Theorem Proof

Author:haixguo

[/list]Drag the point C to see the change of angle A and angle B. [list=1] Calculate the sum of angle A and B.[list=2] Calculate the measurement of angle C[list=3]

New Resources

Thin Slice: Arc Length & Sector Area
Sphere on a Grid
Dodecahedron
Dissections by Guillermo Bautista
Shadow of a Cube (v2)

Discover Resources

Construction Steps
solve a pair of linear equations in two variables.
Bezier Curve
example.TRIG.COMP.3.0
Garys Mobile

Discover Topics

Multiplication
Parabola
Curve Sketching
Unit Circle
Polygons