Perimeters Meaning: Definition, Examples, and Translations
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perimeters
[pəˈrɪmɪtərz ]
Definitions
mathematics
The continuous line forming the boundary of a closed geometrical figure.
Synonyms
boundary, circumference, outline.
Which Synonym Should You Choose?
| Word | Description / Examples |
|---|---|
| boundary |
Often used to describe the dividing line between different areas or zones, whether physical, social, or metaphorical.
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| circumference |
Used in mathematical and geometrical contexts specifically to describe the distance around a circular object or shape.
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| outline |
Commonly used to refer to the outer shape or edge of an object or a summarized version of something.
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Examples of usage
- The perimeter of a square is equal to the sum of all its sides.
- To find the perimeter of a rectangle, you need to add up the lengths of all four sides.
general
The outer limits or boundaries of an area or object.
Synonyms
Which Synonym Should You Choose?
| Word | Description / Examples |
|---|---|
| perimeters |
Best used in a security or measurement context, typically involving the external limits of an area or property.
|
| boundary |
Used to refer to the limit of an area, often for regions, properties, or abstract spaces like personal space and limits in relationships.
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| edge |
Best used to describe the outermost part of an object or area, often implying a sharp or defined end.
|
| border |
Commonly used to describe the line separating two countries or regions. It can also refer to the outer edge of something.
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Examples of usage
- The security guard patrolled the perimeter of the building to ensure safety.
- The police set up a perimeter around the crime scene.
Translations
To see the translation, please select a language from the options available.
Interesting Facts
Mathematics
- To find the perimeter of a rectangle, you add up the lengths of all four sides.
- The formula for the perimeter of a circle is called the circumference and can be calculated using the diameter multiplied by π (pi).
- In geometry, understanding perimeters helps in solving problems related to land measurements and construction.
History
- The concept of measuring boundaries dates back to ancient civilizations, like the Egyptians, who used ropes to measure land.
- In medieval Europe, perimeter measurement was important for defensive castles, helping to assess the required materials for walls.
- The Greek mathematician Euclid extensively studied shapes and perimeters, laying the groundwork for modern geometry.
Geometry
- Calculating perimeters is foundational for understanding area, as both concepts are key in spatial reasoning.
- Different shapes have unique formulas for finding their perimeters, like triangles, squares, and circles.
- Graphs and shapes in coordinate geometry can use perimeter concepts to determine boundaries in a Cartesian plane.
Real-World Applications
- Architects use perimeter calculations when designing buildings to ensure they fit within property lines.
- Land surveyors assess the perimeter of properties to determine boundaries and land usage rights.
- In sports, the perimeter can refer to the edge of a playing area, such as a basketball court or soccer field.
Cultural References
- The term 'perimeter' often appears in art and literature when discussing boundaries, both literally and metaphorically.
- In films, the concept of perimeter can symbolize personal barriers, adding depth to character development.
- In modern design, the idea of perimeter is key in urban planning when allocating public and private spaces.
Origin of 'perimeters'
The word 'perimeter' originated from the Latin word 'perimeter', which means 'a boundary'. It was first used in the 15th century to refer to the boundary of a geometrical figure. Over time, the term expanded to include the outer limits or boundaries of an area or object. The concept of perimeter has been fundamental in mathematics and everyday life, playing a crucial role in measuring boundaries and ensuring security.
See also: perimeter.