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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.
What is the greatest perimeter of a rectanglewith an area of 39 square feet?
80 feet
If sides of rectangle A to rectangle B has ratio 4 to 5. What would the perimeter of rectangle A if the rectangle B has a perimeter of 100 What about area of Rectangle A if the area of rectangle B is?
The perimeter of rectangle A would then be 80 because 80 to 100 is 4 to 5 simplified and the area of triangle A would depend on the sides and area of rectangle B which have not been given.
How do you find the area if the perimeter is only given?
If you are talking about a rectangle, you can't find the area from just the perimeter. With a perimeter of say 80 units, the sides could be 10 and 30, with an area of 300 square units. But the sides could also be 5 and 35, with an area of 175 square units. There are lots of other possibilities. If you are talking about a square, that's different. Each side is a quarter of the perimeter, so the area is a quarter of the perimeter multiplied by a quarter of the perimeter.
