The area of a rectangular living room is 99 square feet. The width of the room is 9 feet. What is the perimeter of the room?
1 answer:
First find the length of the room by dividing the area by the width:
99 / 9 = 11
2 walls would be 9 feet and 2 walls would be 11 feet.
Perimeter is the sum of the 4 walls:
11 + 11 + 9 + 9 = 40 feet
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