14 March is Pi Day, a global celebration of the constant representing the ratio of a circle’s circumference to its diameter. Think you know pi? Try our quiz
Source: https://www.newscientist.com/article/2196161-pi-day-quiz-how-well-do-you-know-the-mathematical-constant/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home