CK12 - Geometry

One side is dividedin the ratio , the otherside in the ratio Bothof theseratiosare equivalent

to and to eachother.

We see that a midsegmentdividestwo sidesof a triangleproportionally. But what aboutsomeothersegment?

Tech Note- GeometrySoftware

Use your geometrysoftwareto exploretriangleswherealine parallelto one side intersectsthe othertwo

sides. Try this:

1. Set up.


2. Drawa line that is parallelto and that intersectsboth of the othersidesof.


3. Labelthe intersectionpointon as ; labelthe intersectionpointon as.

Your trianglewill look somethinglike this.

parallelto

4. Measurelengthsand calculatethe followingratios.

______and _____

5. Compareyour resultswith thoseof otherstudents.