“What’s a palindrome again? Wait, I think that’s an anagram. I can’t even spell onomatopoeia.” A palindrome is a word or phrase (or anything, really) that’s written the same forward and backward. For example: Racecar Madam Evil olive Step on
Every Friday morning FiveThirtyEight posts a math challenge in their Riddler column. The May 21, 2021 problem featured “anti-isosceles” sets. I’ll let the Riddler himself explain in more detail: But this week, Jordan is asking about what he calls