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

Basic Percent Exercises (V2)
Flip A Bunch of Coins
Basic Percent Exercises (V1)
apec
Roll Dice

Discover Resources

Ma1C Samband CI 3 Räta linjen
Congruent triangles
Kwadratische ongelijkheid
Rocket Distance Doubling
Kopija od Hipèrbola

Discover Topics

Optimization Problems
LCM and GCD
Reflection
Kite
Exponent