The Wonders And History Of Mathematics

Explanation
The title "Father of Mathematics" is often attributed to Pythagoras, an ancient Greek mathematician and philosopher who lived around 570–495 BCE. He is best known for the Pythagorean theorem in mathematics. Pythagoras also made significant contributions to music theory, particularly with his discovery of the relationship between the lengths of strings and the harmonious sounds they produce, leading to the concept of musical intervals.

Explanation
The pentagram was a secret emblem because it was associated with various secret societies and occult practices throughout history. It was often used as a symbol of protection or as a sign of membership in these secret groups. Additionally, the pentagram's five-pointed star shape held significant meaning in different cultures, representing elements such as earth, air, fire, water, and spirit. Due to its secretive and symbolic nature, the pentagram was considered a secret emblem.

Explanation
The lotus flower was used by the Egyptians to represent rebirth and the sun. In Egyptian mythology, the lotus flower was associated with the sun god, Ra, and was believed to bloom each morning and close each night, symbolizing the cycle of life and death. The Egyptians also believed that the lotus flower had healing properties and used it in religious ceremonies and rituals. Therefore, the correct answer is 1000, as the lotus flower held great significance in Egyptian culture.

Explanation
The Greeks believed that the golden rectangle was a thing of beauty due to its aesthetic proportions and harmonious ratios. They considered it to be a perfect and visually pleasing shape, which is why they often incorporated it into their architecture and artwork. The golden rectangle's dimensions, where the ratio of the longer side to the shorter side is approximately 1.618, were believed to create a sense of balance and harmony that was pleasing to the eye. This belief in the beauty of the golden rectangle has persisted throughout history and continues to influence design principles today.

Explanation
They didn't start being used until the 3rd century BC in India.

Explanation
The early Babylonians developed a way to tell time using the base number of 60. This is known as the sexagesimal system, which is still used today for measuring time and angles. The choice of 60 as the base number is believed to be due to its divisibility by many smaller numbers, such as 2, 3, 4, 5, and 6. This made calculations and conversions easier for the Babylonians, and their system eventually spread to other civilizations.