Marion Walter's theorem states that
the area of the central hexagonal region HIJKLO determined by
trisection of each side of a triangle ABC and connecting the
corresponding points with the opposite vertex is given by 1/10
the area of the original triangle.
interact with the figure below by dragging the red points and
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More problems about Triangles and trisection of sides:
Proposed Problem 61,
Dynamic Geometry: You can alter the figure above
dynamically in order to test and prove (or disproved)
conjectures and gain mathematical insight that is less
readily available with static drawings by hand.
This page uses the
dynamic geometry software and requires
Adobe Flash player 7 or higher.
TracenPoche is a project of Sesamath, an association of French
teachers of mathematics.
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Email | By Antonio Gutierrez