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The Wallace line and the Wallace point
Published online by Cambridge University Press: 20 January 2009
Extract
In what follows I propose to give the history of two theorenis and to state some of the consequences that have been developed from them.
The first theorem is:
If a triangle be inscribed in a circle, and from any point in the circumference perpendiculars be drawn to the sides, the feet of these perpendiculars lie in a straight line.
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- Copyright © Edinburgh Mathematical Society 1890
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