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InterTriangles

As point *a* moves between points *A* and *A'*, the ratio |*Aa*|/|*AA'*| is used in dilation to sketch points *b* and *c*. The resulting triangle *abc*, "slides" between the two given triangles *ABC* and *A'B'C'*.

Be sure to vary the shapes of the two given triangles.

For more, see **GEOMETRY IN ACTION**, Chapter 7.