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When were rulers first invented and how have they evolved over time?
Rulers were first invented around 2700 BCE in ancient Mesopotamia. They have evolved from simple measuring sticks made of wood or bone to more precise and standardized tools made of materials like metal or plastic. Modern rulers often include additional features like measurements in metric and imperial units, as well as markings for angles and circles.
In Google Plus What is the difference between your circles and extended circles?
If you share with your circles, only your circles can see what you've posted. Extended circles includes people who are in your circles' circles. (Hope that makes sense!)
What circles are not on-deck circles on a baseball field?
fungo circles
What are circles with the same radius?
Circles with the same radius are congruent circles.
An instrucircles used to construct circles and arcs of circles?
A pair of compasses are use to construct circles and arcs of circles
What is a concetric circles?
Concentric circles are a series of circles within each other.
Do circles have angles?
No, circles do not have angles.
What is true about circles?
That circles have no sides
What are Circles having same centre but different radii called?
Concentric circles are circles with the same common centre.
In a dictatorship rulers have what?
in a dictatorship rulers
Examples of concentric circles?
Concentric circles are circles within other circles. Some examples of concentric circles are archery targets, the bullseye on a dart board, the eye, a wheel with a hubcap.
What is two or more circles with same center called?
Concentric circles.
