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What is the greatest perimeter of a rectanglewith an area of 39 square feet?
80 feet
What is the area of 80 square feet?
The area is 80 square feet.
What is the perimeter of a square if it has an area of 400?
Area of square 400 so dimensions 20 x 20 making perimeter 80
If the area is 80 square inches how do your figure out the perimeter?
You don't have enough information. If the area in question is a circle, the perimeter (circumfrence) is about 31.7 inches. If it is a square, the perimeter is about 35.8 inches. and if the area is a very long and thin 80 inches by one inch, the perimeter is 162 inches. You need to know the shape; even though many shapes might have an area equal to 80 square inches, the perimeter will vary depending on shape.
How do you get perimeter of building when you know the square feet of a building?
You can't. The area doesn't tell you the dimensions or the perimeter. You absolutely must know something else besides the area. For example, if you know the area, and you also know that the building is square, then the perimeter is four times the square root of the area. But that's only an example. The main thing is: You can't figure out anything else from just the area and no other information. Here's an example: If you had a building that was 40ft x 40ft it's square feet would be 1600, but it's perimeter would be 40+40+40+40 or 160. If instead you had a building that was 20ft x 80ft it's square feet would be 1600, but it's perimeter would be 20 + 80 + 20 + 80 or 200. So see, both have the same square feet, but different perimeters.
