Abstract
CONTINUING my suggestion in your number of May 3 (p. 7), I propose not only to call the circle circumscribing a triangle the circumcircle, but also to call its centre the circumcentre, and in the same way to speak of the incentre, the three excentres (namely, the a-excentre, the b-excentre, and the c-excentre), and the midcentre.
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H., W. The Centres of a Triangle. Nature 28, 104 (1883). https://doi.org/10.1038/028104d0
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DOI: https://doi.org/10.1038/028104d0
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