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Mathematics is the science which uses easy words for hard ideas.
Mathematics and the Imagination, New York: Simon and Schuster, 1940.
An Investigation of Historical Geometric Constructions
Calculating the Area of a Lune I
What follows is Heath’s details of Eudemus’s description of Hippocrates’ method for calculating the area of one type of lune (see Figure 13 for an example of Hippocrates’ lune).
Figure 13: The area shaded in black is an example of Hippocrates’ lune.