Triangle area from 3 sides

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The popular recreator : a key to in-door and out-door amusements

The popular recreator : a key to in-door and out-door amusements

The Quarterly journal of the Geological Society of London (13935516931)

The Quarterly journal of the Geological Society of London (13935516931)

Triangle area from 3 sides

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Summary

Triangle area from three sides 数书九章 三斜求积

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history of technology
pages of books about mathematics
science and technology in china
song dynasty
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Date

1842
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Source

1842 book Shu Shu Jiu Zhang
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Link

http://commons.wikimedia.org/
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Copyright info

public domain

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history of technology
history of technology
pages of books about mathematics
pages of books about mathematics
science and technology in china
science and technology in china
song dynasty
song dynasty