Ptolemy's table of chords to the arc angle in degrees as is to 3, or more precisely, the ratio can be made as close as desired to ≈ by making "θ" small enough. Thus, for the arc of °, the chord length is slightly more than the arc angle in degrees. As the arc increases, the ratio of the chord to the arc decreases. When the arc reaches 60°, the chord length is exactly equal to the number of degrees in the arc, i.e. chord 60° = 60. For arcs of more than 60°, the chord is less than the arc, until an arc
180 Degrees South: Conquerors of the Useless of so many ecological horror documentaries on topics ranging from global warming to the corn syrup in our peanut butter." He writes "The regard for the planet shown in "180° South" comes from the quiet, philosophical nature of the people profiled in the film, who realize there is more adventure in the preservation of nature than in its conquering." "Minneapolis Star-Tribune" praised the film by writing "If you are this close to chucking it all in, packing your bags and going vagabond, by all means do not see "180° South." Director Chris Malloy's eco-tourist documentary could stoke your wanderlust to