Skill 6 of 13
In Progress

Natural constants & pi

Mathematical skill ●●○○○

What is the size of the pizza you are having for dinner? It is a bit hard to measure a round area; can’t we instead measure something else on the pizza that can represent its size, such as, say, the ‘length’ across (diameter) or around (circumference)?

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  1. The first 10 digits of pi (π) are 3.1415926535’ (web page), Pi Day2, 2018, (accessed May 10th, 2019)
  2. About The Pi Symbol’ (web page), Pi Day, 2018, (accessed May 10th, 2019)
  3. What does περιφέρεια (periféreia) mean in Greek?’ (dictionary), Word Hippo, (accessed May 10th, 2019)
  4. Q: How do we know that π never repeats? If we find enough digits, isn’t it possible that it will eventually start repeating?’ (web page), Ask a Mathematician / Ask a Physicist, 2013,π-never-repeats-if-we-find-enough-digits-isnt-it-possible-that-it-will-eventually-start-repeating (accessed May 10th, 2019)
  5. Emma Haruka Iwao smashes pi world record with Google help’ (article), Zoe Kleinman, BBC News, 2019,