Too Clever?

by Alice

Humph: “Can I borrow your tape measure?”

Dad: “Sure. Why?”

Humph: “I need to work out the size of my monitor. I’m going to measure the height and the width and then square them individually. Then I’m going to add them together, and find the square root of the sum. That’s the diagonal.”

Dad: “Why don’t you just measure the diagonal?”

Humph: “…”

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