For the curious: S_delta = sqrt(p(p-a)•(p-b)•(p-c)) is called Heron's formula. If a, b, and c are the sides of a triangle, and p is one half the triangle's perimeter (that is, (a+b+c)/2), then S_delta is the triangles area.
For the curious: S_delta = sqrt(p(p-a)•(p-b)•(p-c)) is called Heron's formula. If a, b, and c are the sides of a triangle, and p is one half the triangle's perimeter (that is, (a+b+c)/2), then S_delta is the triangles area.
