Why same areas? (3)

Argomento:Area

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)

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Slope Between 2 Points (Phase 2)
Trefoil Knot
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Damped Trochoidal Curve
Fourier Lissajous (Mechanical)

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Angle addition puzzle with angles
Bisecting an angle
זוויות מתחלפות
Vertical line test 1
Ex 1.2.4

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Similitudini e trasformazioni di similitudine
Funzioni a tratti
Mediana
Media
Funzioni polinomiali