V Hover over the geometry outside the wedge, select linked Land delete it, leaving the wedge. Alright as promised, I am attaching images that should help to visualize what I am describing. This helped a lot, thank you! Apply the Mirror and Array Modifiers. Bill Clinton is not the daughter of Chelsea? Well, can you then use subsurf? Because this is essentially a Sub-D approach, you'll see the illustrations flip between subdivision level 2 Ctrl 2 and 0 Ctrl 0which you do all the time if you work that way.
Alt Select the perimeter edge-loop, and make it into a circle.