Pentagon
Pentagon – a polygon with 5 sides
Pens (pentagon) are held by your five fingers (five sides).
Example 1
A famous Pentagon
The US Department of Defence team building is known as The Pentagon.
Example 2
Although made as a spider’s web, there are three pentagons in this shape.
Example 3
Regular pentagons have sides that are all the same length, irregular pentagons have two or more sides that are different lengths.
Example 4
These are all pentagons but only the purple one in the middle is a regular pentagon, the others are all irregular pentagons.
Example 5
Although this shape looks like a rectangle with a corner cut off, it is still a pentagon.
Example 6
Pentagons can be convex or concave.
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