Perimeter

Perimeter[reg]

gives the perimeter of the two-dimensional region reg.

Perimeter[{x1,x2},{s,smin,smax},{t,tmin,tmax}]

gives the perimeter of the parametrized region whose Cartesian coordinates xi are functions of s and t.

Perimeter[{x1,x2},{s,smin,smax},{t,tmin,tmax},chart]

interprets the xi as coordinates in the specified coordinate chart.

Details and Options

Examples

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Basic Examples  (4)

The perimeter of a disk:

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The perimeter of a 3-4-5 triangle:

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The perimeter of an annulus with inner radius 1 and outer radius 2:

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The perimeter of a sector expressed in polar coordinates:

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Scope  (14)

Options  (2)

Applications  (4)

Properties & Relations  (3)

Possible Issues  (1)

Neat Examples  (3)

Introduced in 2017
(11.1)
|
Updated in 2019
(12.0)