Two-Dimensional and Three-Dimensional Figures

Ideas and Inventions

Unit 1: What is 2D? What is 3D?


Miss Fatima Al Ketbi

Polygons

• A polygon is a closed figure that has two or more straight line segments.

• Polygons are the basic shapes used in 3D; they are used to build shapes in the 3D workspace.

Multiple Choice

Am I a polygon?

• YES

• NO

Multiple Choice

Am I a polygon?

• Yes you are!

• No

Multiple Choice

Am I a polygon?

• Of course you are

• No you're not

Multiple Choice

Am I a polygon?

• Yup!

• Nooo

Multiple Choice

Polygons are the basic shapes used in 3D; they are used to build shapes in the 3D workspace.

• That's right!

• WRONG

Multiple Choice

When you watch a movie, the picture seems to be flat. This means it has 1 dimension only.

• True

• False