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The Golden Ratio
Lynn DeRosaCarole McMahon
Carol Herb
Golden Ratio In Nature
• the Human body• Shells
•Sunflowers and Pinecones•Moths and Butterflies
•Spiral Growth
Golden Ratios in the Human Body
Total Height : Navel to FloorLength of Index Finger : Length from Finger
Tip to KnuckleLength of Arm : Length Finger Tip to Elbow
Combined Length of two Center Teeth : Height of the Center Teeth
The Pyramids of Giza
ParthenonVirtruvian Man
Mona Lisa
The Golden Ratio in Art and Architecture
Euclid described the Golden Ratio as the Golden Section, a
line segment divided according to the golden ratio.
b
a
a
ba
Fibonacci’s ratios and the Golden Rectangles1, 1, 2, 3, 5, 8, 13, 21,…. As you go farther and farther to the right of the
sequence, the ratio of a term to the one before it will get closer and closer to the Golden Ratio. Continue adding squares whose sides are the longer side of the rectangle.
YouTube Video on Golden Ratio
www.youtube.com/watch?v=fmaVqkR0ZXg