what are 3 facts about math?
['If you write out pi to two decimal places, backwards it spells "pie". ... ', 'A French word for pie chart is "camembert". ... ', 'The spiral shapes of sunflowers follow a Fibonacci sequence. ... ', 'The Fibonacci sequence is encoded in the number 1/89. ... ', 'A pizza that has radius "z" and height "a" has volume Pi × z × z × a.']