1. The Golden Ratio Math in Beauty, Art, and Architecture

2. The Golden Ratio AIM: What is the Golden Ratio? DO NOW: Which face is more appealing to you? Picture 1 Picture 2 Picture 3

3. Do you think Jessica Simpson is Pretty? Is her face proportionate?

4. She is mathematically beautiful. Compare the length of her face to the width of her face. You get the Golden Ratio!

5. What is the Golden Ratio? The Golden Ratio is... 1.6180339887...

6. A Simple Example of the Golden Ratio The Golden Rectangle The ratio of the long side of the triangle to the short side of the triangle is the golden ratio. Short Side: 1 unit Long Side: 1.618... units Phi represents the Golden Ratio.

7. Where can we find the Golden Ratio? ART The Mona Lisa by Leonardo Da Vinci If you draw a rectangle around Mona Lisa's face, the dimensions of the rectangle form the golden ratio.

8. Where can we find the Golden Ratio? Architecture The Parthenon Ancient Greek Temple Built in 5th Century BC If you compare the length and width of the Parthenon you get the Golden Ratio. The Parthenon has more than just one Golden Ratio.

9. Where can we find the Golden Ratio? New York City The United Nations building is located on 42nd Street and FDR Drive. The width of the building compared to the height of 10 floors is the Golden Ratio.

10. Where can we find the Golden Ratio? Your Body! The length of your forearm compared to the length of your hand is the Golden Ratio. Also the height of your body compared to the height of your belly button is the golden ratio. Do your forearm and hand form the golden ratio?