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Triangle
Author:
mahler
World's Hardest Easy Geometry Problem
from
http://thinkzone.wlonk.com/MathFun/Triangle.htm
GeoGebra
New Resources
History of Maths
Limaçon / Cardioid as a Locus - A Classical Construction
van Aubel's Theorem
cylinder net slider
Pelecoid
Discover Resources
Hyperbolic triangle
HartzlerCubeNet
LightBulbs
Construction: Similar Triangles
types of triangle based an angles
Discover Topics
Optimization Problems
Ratios
Correlation
Exponent
Sequences and Series