Find the line-length function in your game files and take a minute to look at the code.
1 What do you notice?
2 What do you wonder?
Click Run, and practice using line-length in the Interactions Area with different values for a and b.
3 What does the line-length function do?
4 Why does it use conditionals?
5 Why is the distance between two points always positive?
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
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