The equilateral triangle as base element.
Inscribed is the largest regular hexagon.
General case
Segments in the general case
0) The side length of the equilateral base triangle is:
1) The side length of the inscribed regular hexagon is: , see calculation (2)
Perimeters in the general case
0) Perimeter of equilateral base triangle:
1) Perimeter of inscribed regular hexagon:
Areas in the general case
0) Area of the equilateral base triangle: , see calculation (1)
1) Area of the inscribed regular hexagon: see calculation (3)
Centroids in the general case
0) By definition the centroid point of a base shape is
1) The centroid point of the inscribed regular hexagon relative to the centroid of the base shape is: , because the hexagon is rotationally symmetrical
Normalised case
In the normalised case the area of the base shape is set to 1.
So
Segments in the normalised case
0) Side length of the triangle
1) The side length of the inscribed regular hexagon is:
Perimeters in the normalised case
0) Perimeter of base triangle:
1) Perimeter of regular hexagon:
S) Sum of perimeters:
Areas in the normalised case
0) Area of the base triangle is by definition
1) Area of the inscribed regular hexagon:
Centroids in the normalised case
0) By definition the centroid point of a base shape is
1) The centroid point of the inscribed regular hexagon relative to the centroid of the base shape is:
Distances of centroids
The distance between the centroid of the base triangle and the centroid of the inscribed regular hexagon is:
Sum of distances:
Identifying number
Apart of the base element there is one other shape allocated. Therefore the integer part of the identifying number is 1.
The decimal part of the identifying number is the decimal part of the sum of the perimeters and the distances of the centroids in the normalised case.
So the identifying number is:
Calculations
Known elements
(0) Given is the side length of the equilateral triangle: (1) (2) (3) (4), since the inscribed hexagon is regular
Calculation 1
The height is calculated: ,applying the Pythagorean theorem on the rectangular triangle , applying equation (2) , applying equation (1) , rearranging , rearranging , rearranging
Calculation 2
The side length is calculated: ,applying the Pythagorean theorem on the rectangular triangle ,applying applying equation (3) ,applying applying equation (4) , since is the centroid of the equilateral triangle , applying calculation (1) , multiplicating , rearranging , extracting the roots , multiplying by 2 , rearranging
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Calculation 3
A regular hexagon with side length can be partitioned into six equilateral triangles with side length . The rectangular triangle is one half of one of those six equilateral triangles. So:
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