nonagon

the nonagon has nine sides and nine angles.

in geometry class, we learned about the properties of a nonagon.

a nonagon can be regular or irregular depending on its angles.

artists often use a nonagon shape in their designs.

the nonagon's interior angles sum up to 1,260 degrees.

you can find nonagons in various architectural designs.

to construct a nonagon, you need a compass and a straightedge.

nonagons can be seen in nature, like in certain flowers.

we used a nonagon as a base for our art project.

the nonagon is a fascinating shape in mathematics.