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Number:
15906
Author:
D. Biddle
Issue:
ET Vol 58, Dec 1905
Tags:
Triangle & Circle Geometry (Trilinear coordinates)
Solved by:
C.M. Ross, MQ Vol 85
Solved by:
D.M.Y. Sommerville, MQ Vol 85
Solved by:
H.L. Trachtenberg, MQ Vol 85
Solved by:
R.J. Whitaker, MQ Vol 85