| Name Size Type | By | Date | ||
|---|---|---|---|---|
|
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|
Circles of Apollonius |
 daveinstpaul
|
Jun 8, 2012 | |
|
|
Eratosthenes measures Earth |
daveinstpaul
|
Jun 8, 2012 | |
|
|
Square and Nails |
daveinstpaul
|
Jun 8, 2012 | |
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|
Sum of Exterior Angles |
daveinstpaul
|
Jun 8, 2012 | |
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