A rectangular parking space is marked out by painting three of its sides. If he length of the unpainted side is 9 feet, and the sum of the length of the painted sides is 37 feet, then what is the area of the parking space in square feet ?
Clearly , we have : l = 9 and l + 2b = 37 or b = 14
`:.` Area = (l x b) = (9 x 14) sq. ft. = 126 sq.ft.
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