November 2009
Beginner
368 pages
8h 55m
English
Content preview from Head First 2D Geometry
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222 Chapter 5
everyone loves mario’s
Mario’s business is booming!
Mario’s customers love being able to choose how much of their pizza
has pepperoni crust. Even when they can’t agree on pepperoni, they
can agree that Mario’s is the perfect pizza to suit them.
Mario’s just so
flexible—and a great
value, too....
We ordered a 30-inch pizza
to share, and only the pitchers
wanted pepperoni crust, and he
gave us the price instantly!
Circumference = πD = 2πr
Diameter = 2r
Arc Length = 2πr × Sector Angle
360°
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