In a recent paper, Markov [2] discusses the problem of solving A = mP, where
A is the area and P is the perimeter of an integer-sided triangle, andmis an integer.
This relation forces A to be integral and so the triangle is always a Heron triangle.
In many ways, this is not a proper question to ask, since this relation is not scaleinvariant.
Doubling the sides to a similar triangle changes the area/perimeter ratio
by a factor of 2. Basically, we have unbalanced dimensions - area is measured in
square-units, perimeter in units but m is a dimensionless quantity.
It would seem much better to look for relations between A and P
2, which is the
purpose of this paper. Another argument in favour of this is that the recent paper
of Baloglou and Helfgott [1], on perimeters and areas, has the main equations (1)
to (8) all balanced in terms of unit
In a recent paper, Markov [2] discusses the problem of solving A = mP, where
A is the area and P is the perimeter of an integer-sided triangle, andmis an integer.
This relation forces A to be integral and so the triangle is always a Heron triangle.
In many ways, this is not a proper question to ask, since this relation is not scaleinvariant.
Doubling the sides to a similar triangle changes the area/perimeter ratio
by a factor of 2. Basically, we have unbalanced dimensions - area is measured in
square-units, perimeter in units but m is a dimensionless quantity.
It would seem much better to look for relations between A and P
2, which is the
purpose of this paper. Another argument in favour of this is that the recent paper
of Baloglou and Helfgott [1], on perimeters and areas, has the main equations (1)
to (8) all balanced in terms of unit
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