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GeoGebra
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Outline
Circle Theorems and other geometry
Circle Theorems
van Schooten's theorem
Pythagoras drawing for proof
Paper Folding
Circle Theorems and other geometry
Author:
ray.c.carpenter
Topic:
Circle
,
Geometry
Table of Contents
Circle Theorems
Angle at centre and circumference
Angle in semicircle
Angles in the same segment
Opposite angles in a cyclic quadrilateral
Tangents from a point
Angle between tangent and radius
Alternate segment
Perpendicular from centre to chord
van Schooten's theorem
van Schooten's theorem start point
van Schooten's theorem extended diagram for proof
Pythagoras drawing for proof
Static Pythagoras drawing for proof
Dynamic Pythagoras drawing for proof
Paper Folding
Equilateral triangle from a rectangle - diagram 1a
Equilateral triangle from a rectangle - diagram 1b
Alternative equilateral triangle diagram 2a
Alternative equilateral triangle diagram 2b
Equilateral triangle from a circle
Next
Angle at centre and circumference
New Resources
Trammel of Archimedes Art
Fractal Tétraèdre. Dilatation -1/2 centre triangles
apec
z`]]
Row and Column Views of Systems of Linear Equations
Discover Resources
Geometry terms :)
true/ellipse-circle3.ggb
Sierpinski Carpet
solid of revolution, washer 4, y=4
Triangle Centers
Discover Topics
Trigonometry
Fractions
Step Functions
Piecewise Functions
Cone
