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Nine Point Circle
Author:
Esther Gruenhut
Topic:
Circle
Euler, Feuerbach, etc.
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And if that wasn't enough:
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Move point P to see what happens when you reflect the orthocenter through the points on the nine point circle.
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New Resources
Noisy loop
Curves
အခြေခံ data အခေါ်အဝေါ်များ
bewijs stelling van Pythagoras
Multiplying 4-Digit by 3-Digit Numbers Using an Area Model
Discover Resources
Interactive Applets by Others
Points of intersection between implicit f(x,y,z)=0 and explicit z=z(x,y) surfaces
prep from a point on the line
Project_0102
PtosDuais_ElipsesLocus
Discover Topics
Pythagoras or Pythagorean Theorem
Cuboid
Exponent
Bar Chart or Bar Graph
Difference and Slope