Popular Mechanics (South Africa)



When Slobodan Jaksic stumbled upon our brain teaser, the software engineer living in Serbia counted the triangles sideways along the x-axis and vertically along the y-axis before assembling his proof. As such, it breaks down into horizontal and vertical steps.

‘I sent my “conceptual solution” using Mathematic­al Induction to Francis Bonahon, Professor of Mathematic­s, University of Southern California,’ Jaksic says. ‘He provided … his solution to the problem, with a correct formula, using a different approach.’ Let that be a reminder that, even among the pros, there are always multiple ways to approach a problem.

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