The Corner

Swings, Roundabouts

I am sorry, sorry, sorry, to have written “implicit” when I menat “complicit,” in my May Diary today. Homer nods.

On the other hand, I am thrilled to have foxed so many people with my (or rather, Boris Zeldovich’s) math puzzle. Lots of people simply don’t believe that the rule about the area of a triangle being half base times height remains true even when the triangle has a right angle, and the hypoteneuse is taken as base. Well, it does! So what did all those students get wrong?

(Hint: Draw a circle.)

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