Add new comment

Purely from the visual above I'd say take out every 3rd diagonal, like // // //, and there'd be a corridor for movement from either side, always 2m. Sorry, can't do the maths.

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.