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The ratio of radius to diameter for any circle is 1/2

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13y ago

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The diameter of a big circle is 42 feet what is the ratio of the circle's radius to it's diameter?

Radius = 1/2 of diameter.The ratio is 1/2 = 0.5.That's true for all circles, from microscopic to humongous, doesn't matter.


Is the ratio of circumference to the diameter of all circles always the same?

Yes


What did early civilizations notice about the ratio of circumference to diameter?

They noticed circumference/diameter was a constant ratio applicable to all circles no matter whattheir sizes were


What is pi radius and diameter?

The radius of a circle is the distance from the center to any point on the circle. The diameter is twice as much; it is the length of a line segment from one point on a circle to another point on it that passes through the center. Pi is a constant, equal to approximately 3.1416 (the exact value is irrational), which is defined as the ratio of the circumference of any circle to its diameter (all circles are similar so the ratio is always the same).


Do concentric circles have the same circles?

No. You can only define a circle by radius, diameter, area, perimeter. Concentric circles have the same centre, therefore, if they were the same circles with the same radius, then they would all lie on top of each other and be effectively one circle.


What is the relationship between circumference and pi?

In any circle, the product of pi and the diameter will be the circumference. That is because pi is the ratio of the diameter of a circle to its circumference. Here is the equation: c = pi x d


What is a circle that has an equal radii or diameter called?

A circle is defined as a shape where all points are equidistant from a central point, known as the center. This means that all circles inherently have equal radii, as the radius is the distance from the center to any point on the circle. Therefore, all circles can be described as having equal radii, and the term "equal diameter" also applies since the diameter is simply twice the radius. There isn't a specific term for a circle with equal radii, as this is a fundamental characteristic of all circles.


If a circle has a radius of 8 centimeters what is the diameter?

For all circles , however, large or small The diameter is twice the radius. Diameter(d) equals(=) radius(r) plus(+) radius(r). d = r + r d = 2r . NB The diameter is a straight line from the circumference to the centre , and then out to the opposite sided circumference. It is NOT an angled line centred on the central point.


Which is more diameter or radius?

The diameter. The diameter is all the way across the circle, the radius is half of the diameter


What is the radius of a circle that is 24 feet across?

Oh, what a delightful question! To find the radius of a circle, we simply divide the diameter by 2. So, if the circle is 24 feet across, the radius would be 12 feet. Just imagine all the happy little circles you can create with that radius!


Do all circles have a diameter?

yes


How do you find the radius in a circle when all you have is the diameter.?

The diameter is equal to half of the radius. So take the value of the diameter and divide it by two and that is your radius.