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Tangents to a Point
Author:
Glen Reesor
Show that tangent segments to a circle, from any external point, are congruent
Moveable points: A, center of circle
GeoGebra
New Resources
Poorly Drawn Parallelograms 2
Variation Theory Parallelogram Proofs
探究由平行線和截線所成的角
alg2_05_05_01_applet_exp_flvs
Quiz: Finding Average Rate of Change
Discover Resources
Adjustable Histogram
Haff Ellipsograph Nr. 97 (MathsJam2015)
Tetris Tools
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Untitled
Discover Topics
Similarity Transformation or Similarity
LCM and GCD
Conditional Probability
Tree Diagrams
Scatter Plot