Uploaded May 2011 | Updated September 2026, 3 weeks ago
In this fourth video of "geometry formulas explained" we show how Archimede's deduced that the surface area of a sphere is 4*pi*r^2 after having figured a formula for its volume. (And that was video III.)
In this fourth video of "geometry formulas explained" we show how Archimede's deduced that the surface area of a sphere is 4*pi*r^2 after having figured a formula for its volume. (And that was video III.)
