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dg12300
23.08.2019 •
Mathematics
A12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip around it. what is the outer perimeter of the no-slip?
a) 78ft
b) 78ft*2
c) 198ft
d) 198ft*2
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Ответ:
15+3+3=21
12+3+3=18
21+21+18+18=78
answer is 78ft since perimiter is not area
A is answer
Ответ:
My answers is c
Explanation:
McKenna overheard her mother say on the phone, “We’ll see you in fifteen minutes, Mom.” Fifteen minutes later, the doorbell rang. McKenna thought to herself, “My grandmother is here.”