No CrossRef data available.
Published online by Cambridge University Press: 20 January 2009
If ABC, A′B′C′ are any two equilateral triangles in a plane, their vertices being taken in the same sense of rotation, of the three lines AA′, BB′, CC′, the sum of any two is not less than the third.
* See note by Mr P. Pinkerton upon this paper, which suggested this conclusion.