*Median Triangle.*

We will show that the area of the median triangle is 3/4 of the area of the original triangle ABC.

- Drag the two sliders to the end to construct the median triangle by translating the medians.

- Click the Rearrange checkbox. This will show a green point at the vertex of the median triangle.
- Drag the green point to C.
- Drag the green point at B to M
_{c}. - Drag the green point at M
_{a}to M_{c}.

Irina Boyadzhiev, 29 January 2014, Created with GeoGebra

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