A netball team went on a pre-season training run. They completed 10 laps of a triangular course with side lengths (200√3-+50) m, (50√2+75√3) m and (125√2−18) m. What was the distance they ran in simplest surd form?

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.