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Umbra and penumbra

Author:Rory Geoghegan

New Resources

Untitled
Taylor Error Bound
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Random Polar Curve (1)
The Geometry of the Coefficients of a Quadratic Function

Discover Resources

Sum of inside angles of a triangle.
CHAIN
quadrilateral Exterior
Sphere with Great Circle
Constructing a conic

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Quadratic Equations
Exponent
Pythagoras or Pythagorean Theorem
Volume
Fractal Geometry

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