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Jarrett Freeman
Mathematics
1 July, 16:23
Why do we call it "pi"?
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Desiree Brennan
1 July, 16:30
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The use of the Greek letter π for this constant is derived from Greek words like περιφέρεια (for periphery) and περίμετρον (for perimeter) starting with this letter.
The name of the Greek letter π is pi, and this spelling is used in typographical contexts where the Greek letter is not available or where its usage could be problematic. When referring to this constant, the symbol π is always pronounced like "pie" in English, the conventional English pronunciation of the letter.
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Leroy Cross
1 July, 16:49
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Because pi is the first letter in the Greek word perimitros, which means "perimeter." It's a special number.
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