1.4 Optimize Perimeter and Area 10. A soccer coach is fencing in a rectangular area of the playing field for ball practice. a) If she has 24 m of fencing, how should she arrange the fencing to provide the greatest possible practice area? b) How should she alter her design if she can use part of an existing fence as one of her boundaries?

Mauna Kea in Hawaii has an elevation of 13,796 feet abovesea level. The Mid-America Trench in the Pacific Oceanhas an elevation of 21,857 feet below sea level. Find thedifference in elevation between those two points.

Identify and Calculate the Area and Perimeter for each Quadrilateral.