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# How is the Pythagorean theorem used in everyday life?

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Daily life makes use of the Pythagorean theorem in various ways, such as determining the viewing size of a television, which is sometimes a factor used in purchasing decisions. Given the length and height of the screen, the diagonal viewing area can be determined with the theorem.

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Repairing a window on a house can also make use of the Pythagorean theorem. A ladder may need to be used to reach the window, but bushes or obstructions may force setting it at a certain distance from the house. The Pythagorean theorem helps determine how tall the ladder must be to reach the window successfully.

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## Related Questions

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The Pythagorean theorem is used today in construction and various other professions and in numerous day-to-day activities. In construction, this theorem is one of the methods builders use to lay the foundation for the corners of a building. This special triangle is useful when they do not have a carpenter’s square, which is a tool for constructing right angles.

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The Pythagorean theorem is used often in construction, in engineering, in architecture, in design, in art and in aeronautics. The theorem states that, given a right triangle with sides a, b and c, where c represents the hypotenuse (or longest side), the sum of the square of the two sides (a squared plus b squared) is always equal to c squared.

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Geometry is used in everyday life for building and construction, home decorating, outdoor projects and professional work. The geometric formulas for area and perimeter are often used to accomplish projects that require room and object measurements. For squares and rectangles, the area = base x height and the perimeter = base x 2 + height x 2.