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External Tangent of Two Tangent Circles
Author:
James R Olsen
Topic:
Circle
,
Geometric Mean
GeoGebra
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
探究由平行線和截線所成的角
Poorly Drawn Parallelograms
Blancmange curve (fractal)
What is an Isogonal Conjugate?
Discover Resources
Prueba
torque
Untitled
Elusive Cubes
BenjaminLee_NumericalInvariantsC
Discover Topics
Upper and Lower Sum or Riemann Sum
Plane Figures or Shapes
Trapezoid
Scatter Plot
General Quadrilateral