tagged with: the golden rectangle, golden rectangle, math, mathematical, mathematician, geometry, proportion, phi, golden ratio, words and unwords, scientific, attitude, humor, geek, math teacher, educational, rectangle, shape, educational resources
Showcase your geometric side the next time you send correspondence with these stamps featuring the golden rectangle, a rectangle based on the golden ratio -- i.e., a rectangle whose side lengths are in the golden ratio, one-to-phi -- or approximately 1:1.618.
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