The Shoemaker's Knife

Topic:Area

The area enclosed by the semi-circles centred O, X and Y and on the same diameter is called the Shoemaker's Knife. The radii of the two smaller semi-circles are variable. This is illustrated in the diagram below.

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Building Trapezoids with Set Areas
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Rolling an Equilateral Triangle
Fourier Lissajous (Mechanical)
Building Parallelograms with Set Areas

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Statistikk spill: Median, variasjonsbredde og gjennomsnitt
Düzgün Altıgen Çizimi
f(x,y) = x y + x² - y with level curves and grid lines
Geometry - 8.1 AP1
Inverse Prime Factorization
JST17Displacement Example 1

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Centroid or Barycenter
Frequency Distribution
Statistical Characteristics
Expected Value
Boxplot