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Area of a Trapezoid by Similarity
Auteur :
John Golden
Thème :
Aire
,
Trapézoïde
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
Nouvelles ressources
Pythagorean Theorem: Extension Exercises
Pythagorean Theorem: Quick Illustrator
Perpendicular Lines: Quick Exploration
Isosceles Right Triangle
What Do You See?
Découvrir des ressources
Completing the square
kritirio isotitas trigonon-2
المربع
พื้นผิวในปริภูมิ 3 มิติ
Angle in alternate segment property
Découvrir des Thèmes
Rectangle
Test d'Hypothèse
Quadrilatère Quelconque
Allure de Courbe
Cercle Circonscrit