ART Math
these lines are what? (2 words)
Parallel diagonal
these arrows are what?

Ascending and Descending
what is the drop?

drop 5
parallel lines ascend from 15 to 10, and 28 to 23, what is the drop?
the drop is 5
if the grid is 20 by 29, and the parallel lines descend from 4 to 24, what is the angle?
the drop is 20
the slope is 20/20 =1
the angle is 45o degrees