circle [0,5], [-2.5, 2.5], [2.1, 1.1],polygon [-5, 0], [-2.5, 2.5], [2.1, 1.1], [2.6, 0],polygon [0, 5], [-2.5, 2.5], [0, 0], [2.1,1.1]

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.