November 2009
Beginner
368 pages
8h 55m
English
Content preview from Head First 2D Geometry
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296 Chapter 7
organize your work in a table
9.8m
Keep track of complex comparisons
with a table
There’s a whole bunch of stuff you’re working out to pick the
best hot tub. You need to keep track of side length and angles for
the carpenters, as well as butt-space to choose the best tub for the
band…and you need to know what calculation goes with which
tub! A table can help you make sure all that information is right at
your fingertips.
Model Shape Polygon No sides Perimeter Butts Angles Side
length
Tri-tub
Chill-out-corner
Hex-it-up
7th Heaven
Relaxiv8
9 Sides
Magic Circle
= 19.6 butts
5.7m
Everything you’ve already
worked out can be nicely
organized in this table.
= 11.17m
butts = 11.17 = 22.3 butts
0.5
you are here 4 297
regular polygons
These three might make your
brain hurt a bit—don’t panic,
we’ll talk more about them later.
Let’s look for some quick answers here!
Based on the work you’ve already done, you should already be able
to fill in all the boxes in this table except for the shaded ones.
Model Shape Polygon
Name
No sides Perimeter Butts Angles Side
length
Tri-tub
Chill-out-corner
Hex-it-up
7th Heaven
Relaxiv8
9 Sides
Magic Circle
298 Chapter 7
exercise solution
Model Shape Polygon No sides ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.