SOLUTION: A rectangular playground has a perimeter of 390 feet. The width of the playground is 75 feet. The area of the playground is how many square feet?
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Question 841851: A rectangular playground has a perimeter of 390 feet. The width of the playground is 75 feet. The area of the playground is how many square feet?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
We first need to find the length L
P = 2*(L + W)
390 = 2*(L + 75)
390/2 = L + 75
195 = L + 75
195-75 = L
120 = L
L = 120
The length is 120. Now use the length and width to find the area
A = L*W
A = 120*75
A = 9000
The area of the playground is 9,000 square feet
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