Rectangling the circular region

Autor:Jonathan Holland

The shaded region A lying between concentric circular sectors, has the same area as the rectangle B, whose length is equal to the dashed median of A, and whose height is equal to the thickness of A.

Nuevos recursos

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判斷錐體
Transformaciones usando coordenadas
Luxembourg Symbol

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Additional Mathematics (Modulus Graphs)
Angle measurement
Triangle SAW
Circle Theorems 1 FEQ25
Smile 1

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Lógica
Test de hipótesis
Parábola
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