Drawing the Lune of Hippocrates

1. Draw a right-angled isosceles triangle AOB.

2. With center O, plot an arc between points AB.

3. At Point M, which is the midpoint of the hypotenuse in triangle AOB, draw another arc between points AB.

The outside, in green, is the lune of Hippocrates.

Area of the Lune

Area of the lune = area of the semicircle − area of circular segment.

Area of the lune = area of the semicircle − (area sector − area of triangle)

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I am passionate about travelling and currently live and work in Paris. I like to spend my time reading, gardening, running, learning languages and exploring new places.