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sean measured his rectangular patio and determined the area was 216 square feet. he remembered that one dimension was 9 feet. what is the other dimension? and what is the perimeter of Sean's patio?

Respuesta :

sqdancefan
A = L*W
216 ft² = L*(9 ft)
(216 ft²)/(9 ft) = L
24 ft = L

The other dimension is 24 ft.

The perimeter is 2*(9 ft +24 ft) = 66 ft.
swimmerandrew108
In order to find a rectangles area it is one side times the other side going in the opposite direction, length times width. So in order to find one side you must divide the total area by one side. 216 divided by 9 is 24

216/9 = 24

As a result the other dimension is 24 feet.

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