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How Many Rectangles? Give this Academic a Smart Retort

“I’ve had enough of your smart retorts!”

Ever since the long-retired Mrs. Begy tossed this condemnation at my older brother back in high school, I’ve been looking for more ways to deliver smart retorts to academics.  I love learning, mind you, but I find the temptation to derail serious thinkahs is irresistable.

I can feel it: there’s plenty of good material in this earnest challenge by Loren Ijapon:

How many rectangles can be found in the grid below?

What’s your irreverent answer?

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