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Orthocentre of a Triangle
Author:
Dolly Madan
The concurrence of 3 altitudes is called orthocentre
GeoGebra
New Resources
רישום חופשי
Folding door
Position Vector and Derivative Vector
အခြေခံ data အခေါ်အဝေါ်များ
Angle Bisector: Quick Warm Up Questions
Discover Resources
korrelationskoeffizient
Hexagon inside a Circle
CỰC TRỊ CỦA HÀM SỐ
Visualizing eigenvectors
Theorems
Theorems about Tangents & Chords - play around with each of these applets to discover!
Discover Topics
Pythagoras or Pythagorean Theorem
Rational Numbers
Natural Numbers
Centroid or Barycenter
Logarithm