Everyday maths 1 (Wales)
Everyday maths 1 (Wales)

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Everyday maths 1 (Wales)

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?

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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.

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Figure 2 Two hexagons
FSM_1_CYMRU

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