Answer:
Closely wrap the thread 10 times around a cylinder.
- use the Meter rule to measure the beginning and the end
- Repeat three times and get the average length i.e the circumference
- Use the formulae ??/??= D to find the diameter
C he was very outspoken about state rights
Answer:
A quipu, or knot-record (also called khipu), was a method used by the Incas and other ancient Andean cultures to keep records and communicate information. In the absence of an alphabetic writing system, this simple and highly portable device achieved a surprising degree of precision and flexibility.