Type: Article
Publication Date: 1869-11-01
Citations: 0
DOI: https://doi.org/10.1112/plms/s1-3.1.106
The theorem is, that if an isosceles triangle, on the base AA' and with angle -2» at the vortex C, slide between two lines OA, OA' inclined to each other at an angle o>, in such manner that C is the centre of the circlo circumscribed about OAA', then the locus of C is a circle haying 0 for its centre.
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