17 18 and 19 are the numbers you are looking for. 17+18+19=54
Answer: a
Step-by-step explanation: A plane is a 2d surface so if it ever intersects a 3d object the cross-section will be a 2d figure, in this case, a rectangle.
Do 6000/120 (since 120 is very close to 118.5). Thus, you get 50.