(related to Problem: The Crescent Puzzle)
Referring to the original diagram, let $AC$ be $x,$ let $CD$ be $x - 9,$ and let $EC$ be $x - 5.$ Then $x - 5$ is a mean proportional between $x - 9$ and $x,$ from which we find that $x$ equals $25.$ Therefore the diameters are $50$ in. and $41$ in. respectively.
This eBook is for the use of anyone anywhere in the United States and most other parts of the world at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this edition or online at http://www.gutenberg.org. If you are not located in the United States, you'll have to check the laws of the country where you are located before using this ebook.
