If four magnitudes be proportional, the rectangle contained by the extremes is equal to the rectangle contained by the means.
Father of geometry
Theorem 16, Book VI of 'Elements'
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"A point is that which has no part."
Strange & Unusual"Rectilineal figures are those which are contained by straight lines..."
Shocking"Magnitudes which can be made to coincide are equal."
Strange & Unusual"The prime numbers are more than any assigned multitude of prime numbers."
Shocking"What advantage shall I get by learning these things?"
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