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Øystein

oysteini@mathstodon.xyz

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  • Post #2760519

    @kly Det er fullt mulig å operere med "typisk tid mellom to busser" (eller tog, trikker, etc) istedenfor konkrete rutetider, og det finnes kollektivtrafikksystemer som gjør det på den måten. Jeg trodde jeg skulle klare å finne en lang liste med eksempler på Wikipedia, men det beste jeg fant var denne vage påstanden uten kildehenvisning: "In some cases public transport operators do not publish public timetables for busy times of day, or they may simply state &quot...

  • Post #2760518

    #GeometryPuzzles After @loopspace wrote about his webpage with geometry puzzles in November (https://mathstodon.xyz/@loopspace/115561659405894319), I have from time to time gone to that page to solve a few puzzles. After a while, I started trying to create some puzzles on my own too. Then I thought I could post them here, in case anyone in the Fediverse might be interested in solving them. Here is my first puzzle: Two regular pentagons of the same size, each containing a quadrilateral (every...

  • Post #2760517

    #GeometryPuzzles How much of the big pentagon is filled by the small yellow pentagon in the middle?

  • Post #2760516

    #GeometryPuzzles How much of the big square is filled by the five small squares?

  • Post #2760515

    #GeometryPuzzles How large is the central circle compared to the total area of the three corner circles?