EXAMPLES OF 2-DIMENSIONAL SHAPES
triangle | quadrilateral | pentagon | hexagon |
|
|
|
|
3 sides 3 angles | 4 sides 4 angles | 5 sides 5 angles | 6 sides 6 angles |
A two-dimensional shape is a shape without thickness; it is flat.
A three-dimensional shape is any shape which is not flat.
A flat surface of a three-dimensional shape is a face.