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Manhole
Author:
John Golden
Topic:
Symmetry
Patrick Honner is a math teacher in New York who also takes some amazing math-inspired photos of the city. His manhole picture inspired this sketch.
http://mrhonner.com/archives/14321
GeoGebra
More GeoGebra at
bit.ly/mh-ggb
New Resources
alg2_05_05_04_applet_exp_fxn_flvs
Taylor Polynomial
alg2_05_05_01_applet_exp_2_flvs
Shade a spheric triangle with "surface".
Blancmange curve (fractal)
Discover Resources
geomtry
Least Squares Solution to A System
Inscribed Angles
Sphere-cylinder-plane transformation
Adding areas of five squares
Discover Topics
Numbers
Trigonometry
Pythagoras or Pythagorean Theorem
Multiplication
Pyramid