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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
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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

User Bayron
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1 Answer

4 votes
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
User Debugger
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