Parallel Lines and Slope: Quick Investigation
DIRECTIONS:
In the applet below, please do the following:
1) Use the PARALLEL LINE
tool to construct a line through C parallel to line f.
2) Use the SLOPE
tool to measure and display the slopes of both lines.
Please answer the question that appears below the applet.
![Toolbar Image](/images/ggb/toolbar/mode_parallel.png)
![Toolbar Image](/images/ggb/toolbar/mode_slope.png)
QUESTION
Move points A, B, and C around. What do you notice about the slopes of these parallel lines? Describe.