1 Shapes
1.1 Polygons
A polygon is simply a general term for a shape with straight sides.
Activity 1: Identifying polygons
Which of the following shapes are polygons?
Figure 1 Six shapes
Answer
Shapes (a), (c), (d) and (e) are polygons. Shapes (b) and (f) are not polygons because they have curved sides.
A regular polygon is a shape with sides that are the same length and angles that are all the same size.
A polygon with six sides is a hexagon. The shapes in Figure 2 are both hexagons, but only one is a regular hexagon.
Figure 2 Two hexagons
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