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GeoGebra
Investigation of the sum of angles in a quadrilateral
Author:
Jan Manders
Points A, B, C, D can be moved. First move slider a tot 180, then slider b to 180. Any idea?
Discover Resources
asdfaf
Zeichenuebung mit Wendepunkten
Geo 1.1
Strategy #1 - Square
Area of a Trapezoid Example
New Resources
MeganYee_Classwork10/17
Triangle to Square Puzzle
Right-angled triangle
Centres in a Triangle
testfileWed Oct 17 20:30:19 CEST 20180.046674271827526925
