Her new puppy will have 348 square ft. of play space.
Explanation:
Dimensions of the play space = 29 feet by 12 feet
Area = 29 x 12
= 348 square ft.
Her new puppy will have 348 square ft. of play space.
Fence required = 2(l + w)
= 2(29+12)
= 2(41)
= 81 feet
She require 81 feet of fence to surround the play space