Geometry in the Real World

Geometry in the Real World: Griffith Observatory, L.A., Parallel Lines

Geometry in the Real World: Griffith Observatory, L.A.


Griffith Observatory and Parallel Lines
Griffith Observatory is a facility in Los Angeles, California sitting on the south-facing slope of Mount Hollywood in Los Angeles' Griffith Park. It commands a view of the Los Angeles Basin. The observatory is a popular tourist attraction with an extensive array of space and science-related displays. Since the observatory opened in 1935, admission has been free, in accordance with Griffith's will. Read more.

Parallel Lines
In geometry, parallel lines are lines in a plane which do not meet. This definition appears as Definition 23 in Book I of Euclid's Elements.
 

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Last updated Mar 25, 2015