périmètre - определение. Что такое périmètre
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Что (кто) такое périmètre - определение

ARC LENGTH OF THE PATH THAT SURROUNDS AN AREA
Around distance; Perimeter length; Perimeter of the polygon; Perimetre
  • [[cardoid]] <math>\gamma:[0,2\pi] \to \mathbb{R}^2 </math><br/>(drawing with <math>a=1</math>)<br/><math>x(t) = 2 a \cos(t) (1 + \cos(t))</math><br/><math>y(t) =  2 a \sin(t) (1 + \cos (t))</math><br/><math>L = \int_0^{2\pi} \sqrt{x'(t)^2+y'(t)^2}\,\mathrm dt = 16a</math>
  • The more one cuts this shape, the lesser the area and the greater the perimeter. The [[convex hull]] remains the same.
  • The [[Neuf-Brisach]] fortification perimeter is complicated. The shortest path around it is along its [[convex hull]].
  • Perimeter of a rectangle.
  • Perimeter is the distance around a two dimensional shape, a measurement of the distance around something; the length of the boundary.
  • If the diameter of a circle is 1, its circumference equals {{pi}}.

perimeter         
[p?'r?m?t?]
¦ noun
1. the continuous line forming the boundary of a closed geometrical figure.
2. the outermost parts or boundary of an area or object.
3. Basketball an area away from the basket, beyond the reach of the defensive team.
4. an instrument for measuring the extent and characteristics of a person's field of vision.
Derivatives
perimetric adjective
perimetry noun
Origin
ME: via L. from Gk perimetros, based on peri- 'around' + metron 'measure'.
perimeter         
(perimeters)
The perimeter of an area of land is the whole of its outer edge or boundary.
...the perimeter of the airport...
Officers dressed in riot gear are surrounding the perimeter fence.
N-COUNT
Perimeter         
A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference.

Википедия

Perimeter

A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference.

Calculating the perimeter has several practical applications. A calculated perimeter is the length of fence required to surround a yard or garden. The perimeter of a wheel/circle (its circumference) describes how far it will roll in one revolution. Similarly, the amount of string wound around a spool is related to the spool's perimeter; if the length of the string was exact, it would equal the perimeter.