Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
sqr(2 * earth radius * 700 feet + (700 feet)^2)
sqr(2 * earth radius * 700 feet + (700 feet)^2)
Natural Language
Math Input
Extended Keyboard