How_To_Be_Good_At_Math

218 GEOMETRY • NAMING POLYGONS

Naming

polygons

Polygons are named for the number of sides and

angles they have. Most polygons’ names come

from the Greek words for different numbers. Here

are some of the most common polygons.

REAL WORLD MATHS

Honey in hexagons

To store the honey they

make, some bees build

honeycombs from wax

made inside their bodies.

Honeycomb cells are

regular hexagons that fit

together perfectly to make

a strong, space-saving

storage unit for the honey.

3 sides and

3 angles

6 sides and

6 angles

10 sides and

10 angles

Regular heptagon

Regular triangle

Regular hexagon

Regular decagon

Irregular

heptagon

Irregular

decagon

Irregular

triangle

Irregular

hexagon

In a polygon, the

number of its sides is

always the same as the

number of its angles.

7 sides and

7 angles

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