A nonagon. It also has nine sides.
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A 'nonagon' is any closed figure with nine sides. Its interior angles always add up to 1,260°, so it could have several right angles in it. But if it's a 'regular' nonagon, then every interior angle is 140°.
Yes, I can.Oh, did you actually want me to describe it?It is a closed plane (2-dimensional or flat) figure which is bounded by nine straight sides. These sides meet in twos at nine vertices.
Nine-sided closed figure
A nine sided plane figure is a nonagon. A nine sided three dimensional figure is a nonahedron.
A 9 sided polygon is a nonagon Its exterior angles add up to 360 degrees Its interior angles add up to 1260 degrees --------------------------------------------------------- Also the sides of a nine sided figure can not be sold separately.