The variable would be m Lol
It could be a building with a triangular top. If the building had a triangular top, then it must have 3 rectangles as its sides. So your answer would be, a building with a triangular top.
Any slope of a vertical line is infinite. it would be equivalent to x= -1 x=0 and x= 1. it will go on forever
LN is 180 degrees
180 - 41 = x
x = 139 degrees
hope this helps
