Final answer:
Leonardo da Vinci often used the golden ratio as a number theme in his artworks.
Step-by-step explanation:
Leonardo da Vinci, the renowned Italian artist, is known for incorporating mathematical elements into his artworks. One number theme that da Vinci frequently used in his work is the divine proportion, also known as the golden ratio or Phi (Φ).
This mathematical concept is often represented by the ratio of 1:1.618 and is considered aesthetically pleasing in art and design. Da Vinci's famous painting, the Mona Lisa, exhibits the golden ratio in various aspects of its composition, such as the dimensions of the canvas and the positioning of the subject.
Furthermore, da Vinci also incorporated mathematical concepts, such as perspective and geometry, in his paintings, such as The Last Supper and The Vitruvian Man.
Learn more about Leonardo da Vinci's use of the golden ratio in his artworks