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ProportioNiall
Author:
John Golden
Enlarge - or shrink - the picture. But keep it proportional!
GeoGebra
New Resources
Linear Cross Section Exercise
cylinder net slider
Cross Product in 2D and 3D
Ellipse, Hyperbola and Circle as Envelopes
Piano. Keyboard.
Discover Resources
رمي نرد2
Sinus transformaties
anti-clock rotation about P
Untitled
purple
Discover Topics
Random Variables
Prism
Function Graph
Perimeter
Similar Triangles