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[0, H]{ sqrt(3)*a²(1 + 3*(2 - h/H)²)/4 dh }
Int[0, H]{ sqrt(3)*a²(1 + 3*(2 - h/H)²)/4 dh }
Natural Language
Math Input
Extended Keyboard