Referenced from lesson The Distance Formula (Spring, 2021)
For each of the game screenshots, write the code to calculate the distance between the indicated characters. The first one has been done for you.
num-sqrt(num-sqr(line-length(600, 150)) + num-sqr(line-length(110, 300)))
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
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