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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
The Coordinate Plane (Cartesian Plane)
bewijs stelling van Pythagoras
General Polar Equation of Conics with Rotation (1)
Parallel lines, Transversals and Segments
Tangent Plane to a Sphere
Opdag Ressourcer
Diffbarkeit der Umkehrfunktion
arccercljustif
Proportional Measures and Scale Exploration
Bivariate Data-Calories vs Fat
Hyperbolar
SAFE
Udforsk emner
Differentialligninger
Diagrammer
Cosinus
Konstruktioner
Differentialregning