The second and third legs of Kiley’s journey are both relatively flat and seem to have the same steepness. Why are they flat? Why do they look similar?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.