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.

New Resources

MC #2
Luxembourg Symbol
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
畫三角形
רישום חופשי

Discover Resources

Perpendicular Lines
Transformations Mr Edwards
Hyperbolic Function
Circle Property 1: Angle at Centre and Circumference
Features of Trigonometric Graphs (Part 1): IM Alg2.6.15

Discover Topics

Incircle or Inscribed Circle
Differential Equation
Circle
Rotation
Hypergeometric Distribution