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Feuerbach Point
Author:
Steve Phelps
The tangent point of the incircle and nine-point circle.
GeoGebra
New Resources
Graphs of Rational Expressions
Transforming Random Variables
Steel Chair
Sine and Cosine on the Unit Circle
Discriminant of y = ax² + bx + c
Discover Resources
equa-inequa
Ritchie Triangle
Perpendicular Line Through a Point Construction
Ex. 2 - AMomiroski
house
IGCSE Feb/Mar 2017 E2P4 #2
Discover Topics
Quadrilaterals
Random Variables
Geometric Transformations
Angles
Geometric Distribution