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How many sides does a circle have?

By definition, a circle is an arrangement of points positioned at an equal distance from a central point. A polygon is a closed shaped consisting of lines that all exist on the same plane and meet at vertices, or points. The second theory implies that a circle is an apeirogon, which is a special type of polygon that has an infinite number of sides formed where adjacent points meet.

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What are the names of polygons?

Polygons are named according to the number of sides they have. Triangles have three sides, quadrilaterals have four sides, and pentagons have five sides. Polygons with more than six sides are often called "n-gons," where n represents the number of sides the polygon has. A polygon with 15 sides, for example, would be called a 15-gon.\nThere are many examples of polygons in the world. Honeycombs are made up of many different hexagons, or six-sided shapes. Stop signs are one of the most-recognizable examples of an octagon. A mirror with four right angles and four equal sides is a square, which is..

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Is 29 a prime number?

The next smallest and largest prime numbers are 23 and 31, respectively. All whole numbers greater than 1 that are not prime are considered "composite" numbers. For example, 28 is composite since it is also divisible by 2, 4, 7 and 14. The same can be said about 30, which is not a prime because it may be evenly divided by 2, 3, 5, 6, 10 and 15.

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What are some examples of things that are shaped like a hexagon?

Bees naturally construct honeycombs using hexagonal cells. The theory behind this instinct is that hexagonal cells are more compact than square or triangular cells. Although this theory has existed since Roman times, it was not confirmed mathematically until 1999. Another animal that has a relationship to the hexagon is the tortoise. The center of a tortoise's carapace is usually a line of regular hexagons. However, because the shell is curved, the central hexagons are bounded by pentagons that give a straight edge to the shell.\nSnowflakes always form in a hexagonal pattern. This is attr..

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What is the definition of Chebyshev's theorem?

The inequality is derived from probability and can be applied to statistics. An example of a math problem involving Chebyshev's theorem is "Find what percent of values will fall between x and y for a data set with the mean of 'z' and standard deviation of 'a' using Chebyshev's theorem." For example: Find what percent of values will fall between 123 (x) and 179 (y) for a data set with mean of 151 (z) and standard deviation of 14 (a) using Chebyshev's theorem.\nSubtract 123 from 151 to get 28, meaning 123 is 28 units below the mean. The same applies for 179-151..

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What does a triangle represent?

The triangle is a geometrical shape that can have three equal sides and, which is called a equilateral triangle. There also are right, obtuse, scalene, isosceles and acute triangles. While a right triangle has one 90-degree angle, a scalene triangle does not have any sides that are equal.The triangle symbolizes the number three, which is a sacred number. For example, in masonry, different types of triangles, such as the right and equilateral triangles, represents other things, such as universal nature, respectively. In Christianity, the triangle symbolizes the Trinity or Father, Son and Holy G..

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What are some objects that are parallelograms?

Several shapes qualify as being parallelograms, including squares, rectangles and rhombuses. There are several pieces of criteria that a shape can meet to be a parallelogram. The first is that both pairs of opposite sides are parallel. The second is that both pairs of opposite sides are congruent. If they are congruent, they are also parallel. The third criteria is that one pair of opposite sides are congruent and parallel. If this is the case, then the other pair is also parallel. A shape does not need to fit all three criteria to be a parallelogram. But one definition must be met. The area o..

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What are the factors of 17?

A factor is a number that can be multiplied to produce another number. In this example, 17 is a prime number because it can only be divided evenly, or without leaving a remainder, by itself and 1. Some other prime numbers are 2, 3, 5, 7, 11, 13 and 19. Composite numbers, on the other hand, have more than one factor pair or factorization.Factoring is useful in algebra and more advanced mathematics, such as calculus, when dealing with quadratics, trinomials and polynomial equations.

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How do you find area?

Determine the formula for your polygonThe formula to find the area of four-sided polygons like squares, rectangles and rhombuses is the length times the width, or L x W. The formula to find the area of a triangle is the length of the base times 1/2 the height, or B x 1/2 H. Find the values for the variables in the formulaLook at the item for which you are calculating the area. If the values are listed, plug them into the formula. If the values are not known, such as those for a room, measure the sides of the object or space.Calculate the areaAfter replacing the variables with numerical values,..

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How do variable frequency drives work?

In a variable frequency drive, electricity is forced through a converter. The converter is made of six diodes which allow current flow in one direction. The diodes open and close based on how much current is flowing through them. A VFD has two converters that convert AC to DC and DC to AC. One converter is called a diode bridge converter and the other, an inverter.A VFD is different from other drives because it allows users to generate any necessary frequency. This is accomplished by closing one or more of the switches on the drive.Variable frequency drives all have essentially the same parts ..

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