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Head First 2D Geometry
book

Head First 2D Geometry

by Stray (Lindsey Fallow), Dawn Griffiths
November 2009
Beginner content levelBeginner
368 pages
8h 55m
English
O'Reilly Media, Inc.
Content preview from Head First 2D Geometry
156 Chapter 4
finding area
How many people can each venue hold?
Your buddies are sure the festival will be a sellout, and at $10
a ticket every extra person counts. Each person needs 2 square
meters of space in the festival field—so how many people can
each venue hold?
Rectangle area is
easy to find; it’s
just width x height.
Well, area of a rectangle is
width times height. But none of
these are rectangular…so we must
need to do something different....
567982
admit one
rock festival
$10.00
H
W
Area= H × W
That’s right.
The rectangle area formula isn’t a bad
place to start, though.
So how does a triangle relate to a rectangle?
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Publisher Resources

ISBN: 9780596808365Errata Page