# SSS ~ Theorem (V1)

- Author:
- Mrs. Cole, Tim Brzezinski

- Topic:
- Congruence, Similar Triangles, Triangles

In the applet below, there are 2 triangles. The three sides of one triangle are proportional to the three sides of the other triangle. You can adjust the scale factor (

*k*) and the side lengths of the original triangle with the sliders above. Interact with the applet below for a few minutes, then answer the questions that follow.**Questions:**1) What can you conclude about these two triangles? Why can you conclude this? 2) Complete the following theorem by filling in the blanks:

**If 3 _________________ of one ____________________ are in ___________________ to 3 ______________________ of another __________________, then those _______________**

*are _________________.*