YU De-sheng. On some fixed value theorems for directed areas in a triangle[J]. Journal of nanchang hangkong university(Natural science edition), 2002, 16(3): 1-3.
Citation: YU De-sheng. On some fixed value theorems for directed areas in a triangle[J]. Journal of nanchang hangkong university(Natural science edition), 2002, 16(3): 1-3.

On some fixed value theorems for directed areas in a triangle

  • In this paper, some fixed value theorems for direct areas in a triangle are obtained, thus some concurrent results, including the famous Brianchon theorem for circular circumscribed triangles are deduced.
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