No triangle can be cut into seven congruent triangles
classification
🧮 math.HO
math.MG
keywords
casesprovesolvedtheoremalreadycongruentherenumber
read the original abstract
We prove the theorem in the title, and prove the theorem for 11 as well as 7. By previous work of others, the problem reduces to a number of cases. The cases not solved already are solved here.
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