home.btconnect.com/shapemakingclub/twodimensionalshapes.html
Use this link. It will teach you more than just a 20 sided polygon.
Chat with our AI personalities
The special features of 3D shapes are they all are 3D which means they are fat but 2D shapes are flat they can not stand up.
They are both 2D shapes and have exterior angles that add up to 360 degrees
Yes. Corners is simply the more casual term. * * * * * Yes, but not all 2D shapes - a circle or an ellipse, for example, have corners. Nor does an irregular curved line that closes up on itself.
362
-1