It was 3 and even today we do not know its exact value only that the circumference of a circle divided by its diameter is the value of pi which is an irrational number that can't be expressed as a fraction.
In the middle of the medical time. (around 1600-1650)bc
It started in 2050 BC and ended in 1650 BC.
Thebes became the capital of Egypt from 1650 BC to 1353 BC. This was between the XVII dynasty and the XVII dynasty.
At that time, the Hebrews were slaves in Egypt.
The earliest documentation of who invented the square root was the Rhind Mathematical Papyrus which shows how the Egyptians extracted square roots around 1650 BC.
This is a list of Egyptian capitals in a chronological order.Thinis (before 2950 BC) the first capital of Upper and Lower EgyptMemphis: (2950 BC - 2180 BC)Herakleopolis: (2180 BC - 2060 BC)Thebes: (2135 BC - 1985 BC)Itjtawy: (1985 BC - 1785 BC)Thebes: (1785 BC - 1650 BC)Xois: (1715 BC - 1650 BC)Avaris: (1650 BC - 1580 BC)Thebes: (1650 BC - c. 1353 BC)Akhetaten: (c. 1353 BC - c. 1332 BC)Thebes: (c. 1332 BC - 1279 BC) Ramesses IIPi-Ramesses (1279 BC - 1078 BC)Tanis: (1078 BC - 945 BC)Bubastis: (945 BC - 715 BC)Tanis: (818 BC - 715 BC)Sais: (725 BC - 715 BC)Napata/Memphis (715 BC - 664 BC)Sais: (664 BC - 525 BC)Sais: (404 BC - 399 BC)Mendes: (399 BC - 380 BC)Sebennytos: (380 BC - 343 BC)Alexandria: (332 BC - 641 AD)Al-Fustat: (641 AD - 750 AD)Al-Askar: (750 - 868 AD)Al-Qatta'i: (868 - 905 AD)Al-Fustat: (905 - 969 AD)Al-Qahira (Cairo): the present capital (969 AD - Present)
Most pyramids in Egypt were built during the Old Kingdom and Middle Kingdom periods. These periods lasted from 2686 BC to 1650 BC.
Indus script was used in north India and Pakistan from 3330 BC to around 1900 BC. Brahmi script was used in the same region from around 600 BC until it was replaced by regional writing systems.
sails started being used around 5000 bc
There is no account as to who was the person to first discover the emerald. These gemstones date back to before 1650 BC. They are traced to the upper Egypt region.
Crete was the center of the Minoan civ the second greek civ after the Cycladic. He was a very peacefull civ mainly preoccupied with naval trade. Check Minoan civilization for further info.
It moved about a bit but in general this is the history:-In the Early Dynastic Period about 3150 BC, the capital was at Memphis.In the the Middle Kingdom around 1985 BC, the capital was the city of Itjtawy located in Faiyum.Hyksos invaders took over much of Lower Egypt around 1650 BC and founded a new capital at Avaris.In the New Kingdom around 1350 BC, the capital was moved to Thebes. However, Akhenaten built a new capital at Akhetaten (modern-day Amarna) which was abandoned on his death.By 653 BC, the capital had moved to Sais.With the conquest of Egypt by Alexander the Great in 332 BC, the capital moved to the new city of Alexandria where it remained until the capital moved to Cairo in the present.