How it works ?
- In the applet below, the black lines are parallel.
- Interact with this applet for a few minutes, then answer the questions that follow.
- As you do, be sure to move the BIG GREEN POINT anywhere you’d like!
- 1) How does the measure of the indicated angle relate to the measures of the pink angle and the blue angle?
- 2) What previously learned theorem justifies this fact? Explain in detail.