A 12‘ x 15‘ rectangular swimming pool has a 3 foot wide nonslip surface around it what is the outer perimeter of the no slip surface

Question

asked Oct 21, 2019 63.4k views

1 Answer

Tungd · Answer 1 · 2019-10-28T02:58:07+0000

Since the surface is 3 feet wide around the pool add 6 feet to both dimensions ( 3 feet x 2 = 6).

12 ft + 6 ft. = 18 feet

15 ft + 6ft. = 21 feet

Perimeter = 2L + 2W

Perimeter = 2(18) + 2(21)

Perimeter = 36 + 42

Perimeter = 78 feet.