Stephanie Pappas is a contributing writer for Live Science, covering topics ranging from geoscience to archaeology to the human brain and behavior.
Twenty-five years too late to help Ross get his new couch into his apartment in "Friends," a mathematician has finally solved the pesky"sofa problem."
Now, Jineon Baek, a postdoctoral researcher in mathematics at Yonsei University in South Korea, has arrived at an answer. Baek posted his solution on Dec. 2 on the preprint website ArXiv. In just over 100 pages of mathematical proofs, Baek found that for a hallway with a width of 1 unit, the imaginary sofa's maximum area can be 2.2195 units — narrowing the answer down with precision from the previously known range of between 2.2195 and 2.37 units.
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