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AIM: The Most Famous
Ratio of All
2/3/15 1. Homework: Problem
Set 16 #2, 5, 6Module 3 Lesson 16
2. Cumulative Review
Sheet due tomorrow
Do Now

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Given a point C in the plane and a number r > 0, the circle with
center C and radius r is the set of all points in the plane that
are distance r from point C.
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Example 1: The Bicycle Wheel
Materials: Large Wheel, String, Tape or Chalk
How to measure the circumference of the
wheel with a piece of string.
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Example 1: The Bicycle Wheel
The circumference of any circle is always the same multiple of the
diameter. Mathematicians call this number pi. It is one of the few
numbers that is so special it has its own name. Let‛s see if we can
estimate the value of pi.
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exact answer in terms of Pi.

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