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Secants and Circles
Author:
Bryan Christian
Topic:
Geometry
GeoGebra
Pay attention to the values of AD x AB and AE x AC. Move points A, B, and C to change angle BAC and the lengths of the secants. Move point R to change the radius of the circle. What do you notice?
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Rotating Points (Optical Illusion)
"Compressed" Astroid as Envelope
Introduction
Play C3 E3 G3 C4_C4
Discover Resources
CCGPS AA Unit 2 Lesson 2
Exterior angle of a right triangle
Sultana-Tesselation
Анхны нөхцөлтэй бодлого Жишээ 2
Creating a circumcenter
Discover Topics
Tangent Line or Tangent
Means
Trigonometric Functions
Integers
Equations