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.
$\int_{\sqrt{R^2-r^2}}^{\sqrt{R^2-r^2}+r} \sqrt{R^2-x^2}$
$\int_{\sqrt{R^2-r^2}}^{\sqrt{R^2-r^2}+r} \sqrt{R^2-x^2}$
Natural Language
Math Input
Extended Keyboard