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Cono Sur Olympiad
Cono Sur Shortlist - geometry
1993.14
1993.14
Part of
Cono Sur Shortlist - geometry
Problems
(1)
min sum of squares of distances, centroid - 1993 Cono Sur Shortlist G14
Source:
10/24/2021
Prove that the sum of the squares of the distances from a point
P
P
P
to the vertices of a triangle
A
B
C
ABC
A
BC
is minimum when
P
P
P
is the centroid of the triangle.
geometry
Centroid
geometric inequality
min