munchiecakes111 munchiecakes111

12-01-2018
Mathematics

contestada

a 12ft by 15 ft rectangular swimming pool has a 3ft wide no slip surface area around it what is the outer perimeter of the no split surface
A) 78ft
B) 78ft2
C) 198ft
D) 198ft2

Respuesta :

russelldemara russelldemara

12-01-2018

First you add 3 twice to both sides of the swimming pool
12 + 6 = 18
15 + 6 = 21

The perimeter is the sum of all sides therefore

18 + 18 + 21 + 21 = 78

The answer is A

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