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Pytgagorean Therom, Ivan Birchall
Author:
ivanbirchall
GeoGebra
New Resources
bewijs stelling van Pythagoras
Folding door
Right Triangle Trig Ratios: sin, cos, tan
Position Vector and Derivative Vector
Portions of a Sphere
Discover Resources
Migrating from PCK to TPACK
angle at centre (4 February 2018)
Spinner
Compare fractions to one
Discover Topics
Upper and Lower Sum or Riemann Sum
Natural Numbers
Vectors 3D (Three-Dimensional)
Pie Chart or Circle Chart
Vectors