November 2009
Beginner
368 pages
8h 55m
English
Content preview from Head First 2D Geometry
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168 Chapter 4
that’s a lot of speakers
You’ve got $11,250 to spend
After working out the capacity (number of people
you can sell tickets to) and the fencing costs for each
potential venue, it turns out that Field B is the best—it
gives you $11,250 to spend on the festival.
Man! Over 11,000 bucks!
We are gonna have the
most AMAZING sound
system!
Ticket money = 1350 x 10 = $13500
Cost of fencing = $3885
Remaining money = 13500 - 3885 = $9615
Field A
Ticket money = 1500 x 10 = $15000
Cost of fencing = $3750
Remaining money = 15000 - 3750 = $11250
Field B
Ticket money = 1283 x 10 = $12830
Cost of fencing = $3420
Remaining money = 12830 - 3420 = $9410
Field C
This field gives you
the most bucks.
you are here 4 169
triangle properties
Next up—picking the
perfect speakers!
ROCK FESTIVAL
TO-DO LIST
1) Find a venue
2) Sort out security fencing
3) Sound system!!
4) Drinks stand?
TriangleGrid
Stop the press! Your buddies have secretly lined up
a headline act for the festival. Solve the grid puzzle
to be the rst to know who the mystery band is.
Clues
1. You use this theorem to find missing sides of right triangles.
2. Two angles adding up to 90º are known as this.
3. The month before August.
4. When lines cross, they create equal and opposite pairs of these.
5. If shapes have equal angles but are different sizes they ...
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