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Perimeter
01
the total length of the external boundary of something
Example
In her math homework, she had to calculate the perimeter of various shapes, including triangles, squares, and pentagons.
The geometry student calculated the perimeter of the rectangular garden to determine how much fencing would be needed.
The farmer used a long measuring tape to determine the perimeter of his rectangular cornfield before installing a new fence.
02
the margins at the outer edge of an area
Example
The archaeologists carefully excavated the perimeter of the ancient site to uncover any hidden structures or artifacts.
During the military exercise, the soldiers established a secure perimeter around the camp to defend against potential threats.
Security personnel were stationed at the perimeter of the concert venue to control the crowd and prevent any disturbances.
03
a line enclosing a plane areas
Example
In her math homework, she had to calculate the perimeter of various shapes, including triangles, squares, and pentagons.
The geometry student calculated the perimeter of the rectangular garden to determine how much fencing would be needed.
The farmer used a long measuring tape to determine the perimeter of his rectangular cornfield before installing a new fence.
The science project required students to build a model volcano and measure the perimeter of its base for stability analysis.
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