November 2009
Beginner
368 pages
8h 55m
English
Content preview from Head First 2D Geometry
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you are here 4 277
regular polygons
Butt-space is all about perimeter
The number of people who can sit in the tub at
the same time depends on the perimeter of the tub.
More perimeter = more butt-space = more people.
People sit around
the edges.
More edge means
more space for
people to sit.
So we need the hot tub with the
biggest perimeter? But we’ve also got
to limit the water…so it’s not as simple
as just “bigger is better,” is it?
That’s true—in fact this hot tub problem is a
lot deeper than it first appears.
First, you’ve got to compare perimeters of polygons which are
all different shapes, and second you’ve got to work to a limited
amount of water…3 cubic meters.
Is there a pattern you can use to work out
the perimeters of your regular polygon
shaped hot tubs? What would you need
to know first?
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