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Assuming "polygons" is a general topic | Use as a class of laminae or a class of mathematical terms or referring to a mathematical definition or a word instead
Mathematics
Polygons

Triangles

compute properties of a triangle

5, 12, 13 triangle

triangle with vertices (0,0), (3,4), (4,3)

isosceles right triangle with area 1

specify side-angle-side

SAS 3 60deg 4

compute the area of a triangle

area of an equilateral triangle with side length a

find the nine-point circle for a given triangle

nine point circle of triangle (1,1)(2,4)(3,3)

Regular Polygons

compute properties of a regular polygon

pentagon

19-gon

specify parameters for a polygon

hexagon, perimeter=100

compute the diameter of a polygon

diameter of a nonagon with apothem 4

find the incircle of a regular polygon

incircle of regular 7-gon

 
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