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What do the interior angles of a pentagon add up to?

Pentagons are two-dimensional shapes, characterized by five co-planar sides that are connected to form enclosed figures. A special type of pentagon called regular pentagon, contains 108-degree interior angles, 72-degree exterior angles and an estimated area of 1.72 S2, where "S" denotes the length of a segment.All pentagons consist of three triangles, where each triangle contains three interior angles that total 180 degrees. The sum of a pentagon's interior angles is taken by multiplying 180 by 3, which is equivalent to 540. In general, the formula for obtaining the sum of all interior an..

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What does a basic histogram look like?

For example, consider a study that took the heights of 100 Japanese maple trees in various backyards, which all ranged from 12 to 27 feet. Along the bottom of the histogram, the results might be placed into equal groups of 3 feet; those measuring from 12 to just less than 15 feet, 15 to just less than 18, 18 to just less than 21 and so on, with the side of the graph indicating how many trees fell into each category.

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What is the way to draw a pentagon?

Drawing a pentagon can be achieved by following these steps:Draw a circle with a compass with the diameter drawn through the middle of the circle.Next, draw a perpendicular line from the diameter, extending from the left side of the circle. Draw a circle with the diameter extending through the middle of this line.Draw an arc that touches the left circle, along the bottom of the first circle and through the first diameter.From the center of this arc, use the compass to draw a broad arc that goes through the top of the first circle.Using the markers from all of the arcs and circles, draw five ev..

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What is a math equation writer?

An equation writer will enable the user to input various mathematics signs as well as variables such as the integral, square root symbol, superscript and even fractions. For example, an input such as frac(a)(b) will result in a/b. Most math teachers and textbook writers utilize equation writers to achieve the ideal equation for whatever problem they face.

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Who discovered pi?

Early mathematicians calculated the area of a circle by squaring the value of the radius and multiplying it by three. Babylonian artifacts dated as far back as 1900 B.C. depicted the use of pi and valued it at around three. One tablet calculated the value of pi at closer to 3.125. The representation of pi using the Greek letter ? did not come into use until the early 1700s.

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What is a positive number plus a negative number?

For example, this addition of +5 and -2 gives the result of 3. However, if one adds together -5 and +2, then the answer is -2. A way to find these answers is to use a number line and follow two simple rules. If one is adding a positive number, then one moves to the right on the line. Conversely, if one is adding a negative number, then one moves to the left on this line.

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How do you find the volume of a prism?

The reason behind this formula are the properties that make up a prism. A prism is a shape that has two identical ends, flat sides, and the same size and shape of cross section throughout its whole length.Take a triangular prism as an example. The surface area of the end triangle is worked out by the calculation 0.5 multiplied by the base multiplied by the perpendicular height. This can be represented by 1/2 x b x h.The volume is worked out by taking this figure and multiplying it by the length of the prism. So, for a triangular prism, volume is worked by the calculation: 1/2 x b x h x l.Anoth..

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What is the cube root of 54?

It is possible to simplify a cube root by factoring out the cube of a whole number. Since 54 is equal to 27 times 2, and 27 is the cube of 3, the equation can be written as the cube root of 27 times the cube root of 2. Simplified further, the equation is three times the cube root of 2.

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Which way is horizontal?

The word "horizontal" is usually used as an adjective. It may be used to refer to something that is moved across a plane in a left-to-right motion, just as rooks are moved horizontally across a chess board. It is also used to show that something is the same level as another. For example, an employee could receive a horizontal transfer within their company, meaning that the position he is moving to is at the same level as the one he is leaving.

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How do you subtract polynomials?

Subtracting one polynomial from another is essentially the same as adding the second polynomial to the first after each term's sign has been reversed. Given the hypothetical problem (4c + 5) - (6c - 7), begin by modifying the signs of the second polynomial, generating an intermediate step of (4c + 5) + (-6c + 7). Combine the like terms, giving a final answer of -2c + 12. Even with more complex polynomials that contain three or more terms, the overall process is similar.

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