network profile
| bio | website | - |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 7 months |
| seen | Dec 11 '12 at 19:09 | |
| stats | profile views | 6 |
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Oct 2 |
awarded | Teacher |
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Oct 2 |
comment |
How do you find the center of a circle with a pencil and a book? Math answers should be completely general. Most of those submitted will not work if the circle is much larger than the book. But the book edge can be used to extend the normal to the chord. |
