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Area of a Trapezoid by Similarity
Forfatter
John Golden
Emne:
Areal
,
Trapez
Inspired by Ed Southall's trapezoid musings.
http://solvemymaths.com/2015/03/07/proof-area-of-a-trapezium-trapezoid-us/
In the sketch, it is set up so BC<=AD. Is that an okay assumption to make?
GeoGebra
Nye Materialer
bewijs stelling van Pythagoras
Function art 3D - waiting shed (v2)
What Do You See? (2)
z`]]
Congruent Figures
Opdag Ressourcer
Tesselations and external angles
Geo-Vince
Laser Benders
Le jour le plus court
Approximation de Pi
Udforsk emner
Ellipse
Omskreven cirkel
Ligninger
Cirkeldiagram
Parabler