2 * atan(209 / (2 * (22236 - 30000 / 5280))) / (2 * atan(209 / (2 * 22236)))

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.