How an SAT question became a mathematical paradox. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20%...
Not sure why you’re getting downvoted. It’s how I solved it too. Just visualise the circle unrolling and see it covers one quarter of the bigger circle.
Not sure why you’re getting downvoted. It’s how I solved it too. Just visualise the circle unrolling and see it covers one quarter of the bigger circle.