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H Geo Ch9 Circles
9-1 & 2
9-4
H Geo Ch9 Circles
Author:
Makiko Coakley
Topic:
Circle
,
Geometry
Discovery activities for Ch9 theorems and corollaries.
Table of Contents
9-1 & 2
Tangent perpendicular to radius
Tangents from a point
9-4
Congruent Chords and their Central Angles
Chord, Arc and Diameter
Chords and Distance from the Center
Next
Tangent perpendicular to radius
New Resources
van Aubel's Theorem
Limaçon / Cardioid as a Locus - A Classical Construction
Stairs (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
"Compressed" Astroid as Envelope
Discover Resources
Quadratic Graph 3
Paper Umbrella
Step One
Average Temperature in Minsk, Belarus (2010)
Examples
Discover Topics
Interest Calculation
Equilateral Triangles
Area
Standard Deviation
Geometric Transformations