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Nydebrugge Quadratic
Author:
David Kelso
USe the sliders to fit the best quadratic curve to the bridge arch
GeoGebra
What do you notice about the concavity of the bridge? Does this match the equation?
New Resources
Odd or Even
Parallel or Not? (V2)
Slope of a Straight Line: Run and Rise
Isosceles Triangle: Quick Construction
Stairs (Optical Illusion)
Discover Resources
ellipse
A Triangle Cleaver
Length of tangents drawn to a circle from outside the circle are equal
Method of Lagrange multipliers. Placing points on a circle/sphere such that the each point is the geometric median of all its other points.
CONGRUENCY OF TRIANGLES
Discover Topics
Rotation
Function Graph
Conic Sections
Incircle or Inscribed Circle
Similarity Transformation or Similarity