Sofa Moving Problemor If the Movers Had Been Mathematicians |
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The ProblemA nice but yet extremely heavy sofa has to be moved around a right-angled corner where two hallways meet. The sofa is 2 m long and 80 cm wide. The hallways are 1 m wide. Will two lazy movers agree to move the sofa? (They would agree if they do not have to lift or tilt the sofa.) |