Area of Circle/Proof 3/Historical Note
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Historical Note on Archimedes's Proof of Area of Circle
The area $A$ of a circle is given by:
- $A = \pi r^2$
where $r$ is the radius of the circle.
The area of a circle was determined by Archimedes in his Measurement of a Circle.
Sources
- 1937: Eric Temple Bell: Men of Mathematics ... (previous) ... (next): Chapter $\text{II}$: Modern Minds in Ancient Bodies
- 1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {A}.5$: Archimedes (ca. $\text {287}$ – $\text {212}$ B.C.)
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): indirect proof
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): indirect proof