Sorry, it’s math time. But these are some of the easiest math quizzes we’ve ever put on BuzzFeed. They have 54 questions between them that you should find easy to ...
Today’s two questions test your geometrical smarts. The first is about a triangle, the second about a square. 1. Tricky triangle This one was sent in by a reader, aged 85, who first saw it in 1960. He ...
In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...
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