Buddy1111 Buddy1111
  • 22-05-2017
  • Mathematics
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A rectangular park had a perimeter of 18 miles. It is 7 miles wide. What is the area of the park?

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qumpelka
qumpelka qumpelka
  • 22-05-2017
Perimeter = 18 miles
Perimeter = 2a + 2b
2a + 2b = 18

a = ?
b = 7

18 = 2a + 2*7
18 = 2a + 14
2a = 18 - 14
2a = 4
a = 2

Area = a * b
Area = 2 * 7 = 14 miles2
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