7.megan wants to build a fence around her pool. the pool is 28 feet long by 23 feet wide. the fence is to be 15 feet from the edge of the pool.

(picture of a sqaure with 28ft on the top and 15ft on the left side of the sqaure and 23ft on the right side.
a. what are the outside dimensions of the area surrounding the pool?
b. how many feet of fencing will she need?

•53ft by 58ft; 222ft
• 53ft by 58ft; by 111ft
•222ft by 58ft; 53ft
• 38ft by 43ft; 162ft