what is diameter
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- The diameter of a circle is the length of the line through the center and touching two points on its edge. In the figure above, drag the orange dots around and see that the diameter never changes. Sometimes the word 'diameter' is used to refer to the line itself.
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Circumference Circle illustration with circumference (C) in black, diameter (D) in cyan, radius (R) in red, and centre or origin (O) in magenta. Circumference = π × diameter = 2 × π × radius. The circumference of a circle is the distance around it, but if, as in many elementary treatments, distance is defined in terms of straight lines, this can not be used as a definition.
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caliber 2a : the diameter of a bullet or other projectileb : the diameter of a bore of a gun usually expressed in hundredths or thousandths of an inch and typically written as a decimal fraction .32 caliber. 3 : the diameter of a round or cylindrical body; especially : the internal diameter of a hollow cylinder.
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Circumference of a Circle A circle is named by its center. Thus, the circle to the right is called circle A since its center is at point A. Some real world examples of a circle are a wheel, a dinner plate and (the surface of) a coin. The distance across a circle through the center is called the diameter.A real-world example of diameter is a 9-inch plate.The radius of a circle is the distance from the center of a circle to any point on the circle.he distance across a circle through the center is called the diameter. A real-world example of diameter is a 9-inch plate. The radius of a circle is the distance from the center of a circle to any point on the circle.
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- Pitch diameter is the diameter of a theoretical cylinder that passes through the threads in such a way that the distance between the thread crests and thread roots is equal. In an ideal product, these widths would each equal one-half of the thread pitch.
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What Does Bore Diameter Mean? fusil ouvert image by YvesBonnet from Fotolia.com. The term bore diameter is most commonly used in reference to firearms. Bore is the inside diameter of any cylinder such as a gun barrel. It has a direct bearing on the type of ammunition used in a gun.1  How to Measure a Gauge of Metal Tubing.unsmiths expect their barrels to have a bore diameter with less than a 0.005 inch of error. Although bore is the diameter of the barrel, caliber is the diameter of the bullet. A bullet's caliber is usually denoted as its diameter in hundredths of an inch (a .22- inch diameter bullet is .22 caliber).
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Circumference of a Circle Some basics of the Circle: Circumference - the distance around the circle (aka the perimeter of the circle) Radius - the distance from the center to any point on the circle. Diameter - the distance from a point on the circle to another point on the circle going. through the center (also twice the length of the Radius)
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diameter Definition of diameter for Students. 1  1 : a straight line that runs from one side of a figure and passes through the center Measure the diameter of the circle. 2  2 : the distance through the center of an object from one side to the other : thickness the diameter of a tree trunk.
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- A diameter of a circle is twice the length of a radius. Think of a diameter as two radii, both originating at the center of the circle and extending out at 180 degrees to each… other to reach the edge of the circle. In this example, if the radius is 1.5, the diameter would be 3.
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Free Fall So, the candy they say is in the shape of circular disc and they tell us that the diameter is 16 millimeters. If I draw a line across the circle, that goes through the center. The length of the line all the way across the circle through the center is 16 millimeters. The Diameter here is 16 millimeters. And they want us to figure out the area of the surface of the candy. Essentially the area of this circle. When we think about area, we know that the area of the circle is pi times the radius of the circle square. They gave us the diameter, what is the radius? well, you might remember that the radius is half of the diameter. Distance from the center of the circle to the outside, to the boundary of the circle.
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- Divide the diameter by two. A circle's radius is always half the length of its diameter. For example, if the diameter is 4 cm, the radius equals 4 cm ÷ 2 = 2 cm. In math formulas, the radius is r and the diameter is d. You might see this step in your textbook as r=d2{\displaystyle r={\frac {d}{2}}}.
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nominal diameter nominal diameter. Definition. The size designation that specifies the size of a pipe, bolt, reinforcing bar, or rive. The actual dimension may vary.
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The Geometry of Circles The radius of a circle is the distance from the center of the circle to the outside edge. The diameter of a circle: The diameter of a circle is longest distance across a circle. (The diameter cuts through the center of the circle. This is what makes it the longest distance.) The circumference of a circle (the perimeter of a circle): The circumference of a circle is the perimeter -- the distance around the outer edge. Circumference =. where r = the radius of the circle.
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- A circle is named by its center. Thus, the circle to the right is called circle A since its center is at point A. Some real world examples of a circle are a wheel, a dinner plate and (the surface of) a coin. The distance across a circle through the center is called the diameter.A real-world example of diameter is a 9-inch plate. circle is named by its center. Thus, the circle to the right is called circle A since its center is at point A. Some real world examples of a circle are a wheel, a dinner plate and (the surface of) a coin. The distance across a circle through the center is called the diameter.
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Definitions &Translations In geometry, the diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can be also defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere.
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- The diameter of Earth is a great physical characteristic to know, but do not stop your research there.
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10 very old apps that still (somehow) work on Windows 10 Perhaps it is a testament to Microsoft's legacy that some popular applications that date from the late 1990s can still run on its latest OS, Windows 10. The operating system, which will launch on Wednesday 29 July, has already been tested (and been seen running) on some very, very old and very, very slow hardware.
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USCG Navigation General Questions: Master's License The radius of a circle is any line segment from the center of the circle to any point on the circle. The diameter of a circle is any line segment that passes through the center of the circle and has its endpoints on the circle. In any circle, the length of a diameter is twice the length of a radius. Radius and diameter are also used to name length. For example, the radius of the circle is 2 inches and the diameter is 4 inches.
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What Is Pi? Pi is the ratio of a circle's circumference to its diameter. Regardless of the size of the circle, pi is always the same number. So, for any circle, dividing its circumference by its diameter will give you the exact same number: 3.14159…or pi.
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Test Bank Of Essentials of Anatomy And Physiology 7th Edition by Martini Bartholomew Caliber is a term used to indicate the diameter of a bullet in hundredths of an inch. A bullet that is 30 hundredths of an inch (.30) in diameter is called a 30 caliber bullet.
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What is Diameter Breast Height? Definition of Diameter Breast Height. A tree's diameter at your breast or chest height is the most common tree measurement made on a tree by tree professionals. It is also called DBH for short. The only other measurement made of a tree as important is a tree's total and merchantable height. This diameter is measured over the outside bark using a diameter tape at the point forester's call breast height. Breast height is specifically defined as a point around the trunk at 4.5 feet (1.37 meters in metric using countries) above the forest floor on the uphill side of the tree.
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circumference circumference - the length of the closed curve of a circle. length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; the length of the table was 5 feet. sextant - a unit of angular distance equal to 60 degrees.
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What does DN mean? DN = Diameter Nominal The term Diameter Nominal refers to the internal diameter of a pipe. Together with the nominal pressure rating and the materials class, all dimensions of a piping line, e. g. flange dimensions, are defined by indicating the nominal diameter. Steel is often not specified, but assumed as material.
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How Do You Measure the Diameter of a Round Object? The diameter of a circle is the length of a straight line going from one side of a circle to the opposite side. To measure the diameter, simply choose two points on the edge of a circle that are directly across from each other, and measure the distance between these points.
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- Diameter Symbol - the diameter symbol indicates a circular feature when used on the field of a drawing or indicates that a defined tolerance is diametrical when used in a feature control frame. Dimension - A dimension is a numerical value expressed in appropriate units of measure and indicated on a drawing.
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- Radius and diameter are the first vocabulary learned by you related to circles. The radius or the diameter determines the size of a circle. A circle is defined to be the set of all points in a plane that are equidistant from a fixed point called the center of the circle.