What are the golden points in life, such as: workbook length 26.5 width 19.5) urgent!

1, five-pointed star/regular Pentagon. The pentagram is very beautiful. There are five stars on our national flag, and many countries also use five-pointed stars on their national flags. Why? Because the length relationship of all the line segments that can be found in the five-pointed star conforms to the golden section ratio. All triangles that appear after the diagonal of a regular pentagon is full are golden section triangles.

The announcer on the stage is not standing in the center of the stage, but standing on the side of the stage. The golden section of the stage length is the most beautiful and the sound spreads best.

3. The golden ratio and golden rectangle can bring beauty and pleasure to the picture. It can be found in many artistic and natural works. The Pasa Shennong Temple in Athens, Greece is a good example. Leonardo da Vinci's Vitruvian Man fits the golden rectangle. Mona Lisa's face also conforms to the golden rectangle, and The Last Supper also applies this proportional layout.

4. The navel is the golden section of the total length of human body, and the knee is the golden section from navel to heel.

5. The aspect ratio of most doors and windows is also 0.6 18.

6. On some stems, the included angle between two adjacent petioles is 137 degrees 28', which is exactly the included angle between two radii that divide the circumference into 1: 0.6 18. According to research, this angle has the best effect on ventilation and lighting of the factory building.

Architects have a special preference for 0.6 18… in mathematics. No matter the pyramids in ancient Egypt, Notre Dame de Paris, or the Eiffel Tower in France in recent centuries, there are data related to 0.6 18 … It is also found that the themes of some famous paintings, sculptures and photos are mostly at 0.6 18…. The artist thinks that placing the bridge of a stringed instrument at the position of 0.6 18 can make the sound softer and sweeter.