# Converse of IST (II)

- Author:
- Tim Brzezinski

- Topic:
- Equilateral Triangles

Interact with the applet below for a few minutes.
Then answer the questions that follow.

*Be sure to change the locations of the white points and black point before re-sliding the slider.***Questions:**1) What is the

**measure of each red angle**in the triangle above? How do you know this to be true? Explain. 2)

**Notice you knew information about the triangle's angles first.**How would you classify this triangle

**by its angles?**3) After observing what you've observed, how would you classify this triangle

**by its sides?**4) Use your results from (2) - (3) to fill in the blanks to make a true statement:

**If a triangle is _______________________,**then

**it is _______________________.**5) Explain how your statement for (4) above is an immediate consequence of what you observed in this previous worksheet.