Viewer 17-gons

Here's David's Heptadecagon:

But equally exciting have been these efforts by Numberphile viewers.

Note these are compass and straight edge constructions. That's the point.

@dullahansolo

@dullahansolo

Charles Via Facebook

Charles Via Facebook

@ProgrammerHero

@ProgrammerHero

@enfo14

@enfo14

@JosselieNoirel calls this a   heptafaildecagon

@JosselieNoirel calls this a heptafaildecagon

@kolekracaw used Geometer Sketch Pad

@kolekracaw used Geometer Sketch Pad

Earlier effort by @kolekracaw

Earlier effort by @kolekracaw

@FordFiesta_

@FordFiesta_

@MrCamago

@MrCamago