Why same areas? (3)

Thème :Aire

ABCD is a rectangle, and ABE, BDF, DCH, CAG are equilateral triangles. Why are the areas of the different colors the same? (Hint: Try to resize ABCD to see anything is keeping unchanged)

Nouvelles ressources

Graphs of Rational Expressions
bewijs stelling van Pythagoras
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Vertical and Oblique Asymptote

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Circle with Endless Isosceles in IT
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Quadrilatère Quelconque
Addition
Division
Rapports
Cylindre