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Number:
16927
Author:
D. Biddle
Issue:
ET Vol 63, Aug 1910
Tags:
Triangle & Circle Geometry (Trilinear coordinates)
Solved by:
W.J. Ashdown, MQ Vol 94
Solved by:
Constance I. Marks, MQ Vol 94
Solved by:
Phillip T. Stephenson, MQ Vol 94