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Historical Notes on a Geometrical Theorem and its Developments. [18th century.]
Published online by Cambridge University Press: 20 January 2009
Extract
The theorem is—
The distance between the circumscribed and the inscribed centres of a triangle it a mean proportional between the circumscribed radius and its excess above the inscribed diameter.
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- Copyright © Edinburgh Mathematical Society 1886
References
* An abstract is given of it in the Proceedings for last year. See Vol. IV., pp. 51–55.
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