How do you do this problem? i need to know how you found the answer.

to get the equation of a line, we simply need two points, say for the Red one ... notice in the graph the lines passes through (0,2) and (-1,6), so let's use those

now, for the Blue one, say let's use hmmm it passes through (0,2) and (1.6)

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

jml angle lkj & angle mj = lm