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The Wallace line and the Wallace point

Published online by Cambridge University Press:  20 January 2009

J. S. Mackay
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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.

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 9 , February 1890 , pp. 83 - 91
Copyright
Copyright © Edinburgh Mathematical Society 1890