Dong Soo Kim

collaborators

3 papers

math.DG2014

Area of triangles associated with a curve II

Dong-Soo Kim, Wonyong Kim, Young Ho Kim +1

It is well known that the area $U$ of the triangle formed by three tangents to a parabola $X$ is half of the area $T$ of the triangle formed by joining their points of contact. In…

math.DG2014

Area of triangles associated with a curve

Dong-Soo Kim, Kyu-Chul Shim

It is well known that the area $U$ of the triangle formed by three tangents to a parabola $X$ is half of the area $T$ of the triangle formed by joining their points of contact. In…

math.DG2013

On the Archimedean characterization of parabolas

Dong-Soo Kim, Young Ho Kim

Archimedes knew that the area between a parabola and any chord $A B$ on the parabola is four thirds of the area of triangle $Δ A B P$ where P is the point on the parabola at which the…