On Sun, 26 Jun 2005 18:17:56 -0700, the opaque Burt
spake:
I can't remember the formula for the life of me.
If a dish is almost 3 ft across and I want to segment it like an orange into 10
segments how do I calculate how wide each will be at the rim?
So I end up with a dish that has 10 sides.
I'm math clueless.
Buy Charlie Self's new book and figure it out yourself.
Woodworker's Pocket Reference : Everything a Woodworker Needs to Know
at a Glance ($10 + s/h at Amazon.com)
From a chart in Lee Valley's copy of Handyman In-Your-Pocket,
the chord is 0.3090170 times the diameter of the circle, or
11.124612".
On a lighter note, read this:
Teaching Math
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Teaching Math in 1950:
A logger sells a truckload of lumber for $100. His cost of
production is 4/5 of the price. What is his profit?
Teaching Math in 1960:
A logger sells a truckload of lumber for $100. His cost of
production is 4/5 of the price, or $80. What is his profit?
Teaching Math in 1970:
A logger exchanges a set "L" of lumber for a set "M" of money.
the cardinality of set "M" is 100. Each element is worth one dollar.
Make 100 dots representing the elements of the set "M". The set "C",
the cost of production contains 20 fewer points than set "M."
Represent
the set "C" as a subset of set "M" and answer the following question:
What is the cardinality of the set "P" for profits?
Teaching Math in 1980:
A logger sells a truckload of lumber for $100. Her cost of
production is $80 and her profit is $20.
Your assignment: Underline the number 20.
Teaching Math in 1990:
By cutting down beautiful forest trees, the logger makes $20.
that do you think of this way of making a living?
Topic for class participation after answering the question: How
did the forest birds and squirrels feel as the logger cut down the
trees? There are no wrong answers.
Teaching Math in 1996:
By laying off 40% of its loggers, a company improves its stock
price from $80 to $100. How much capital gain per share does the CEO
make by exercising his stock options at $80? Assume capital gains are
no
longer taxed, because this encourages investment.
Teaching Math in 1997:
A company outsources all of its loggers. The firm saves on
benefits, and when demand for its product is down, the logging work
force can easily be cut back. The average logger employed by the
company
earned $50,000, had three weeks vacation, a nice retirement plan and
medical insurance. The contracted logger charges $50 an hour. Was
outsourcing a good move?
Teaching Math in 1998:
A laid-off logger with four kids at home and a ridiculous
alimony from his first failed marriage comes into the logging-company
corporate offices and goes postal, mowing down 16 executives and a
couple of secretaries, and gets lucky when he nails a politician on
the
premises collecting his kickback. Was outsourcing the loggers a good
move for the company?
Teaching Math in 1999:
A laid-off logger serving time in Folsom for blowing away
several people is being trained as a COBOL programmer in order to work
on Y2K projects. What is the probability that the automatic cell doors
will open on their own as of 00:01, 01/01/2000?
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DANCING: The vertical frustration of a horizontal desire.
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