This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
LuneHippocratesEWHobsonFg. en Menisci or Lunulae of Hippocrates Fig in Hobson Squaring the Circle History of the Problem Squaring the Circle History of the Problem Hobson other versions PDold Lune of Hippocrates
Page 2023 Free-images.com. All images are Public Domain