Geometry: The Centroid

In this dynamical worksheet we construct the triangle that has a given point as its centroid.

Problem 1

In the following Sketch we have given fixed points B, C and G. Find a point A such that G is the centroid of the triangle ABC.

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This first Sketch is also equipped with a sequence of geometrical hints (try buttons on the left side).

Problem 2

In the following Sketch we have given fixed points B, C and G. Find a point A such that G is the centroid of the triangle ABC.

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Martti.Pesonen@Joensuu.Fi