The answer is 32. What you do is take the square root of 64, which is 8. Because it is a square all the sides are equal. Then, you multiply 8 by 4 because there are four sides.
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A square with an area of 400 square units has a perimeter of 80 units.
units square= area units= perimeter
The area of a square whose perimeter is 36 inches is: 81 square inches.
Neither. Volume is cubic units and area is square units. Perimeter is just units.
You can't tell. The area doesn't tell you the dimensions. There are an infinite number of different shapes with different dimensions and different perimeters that all have the same area. -- If the 575 square units of area are in the shape of a circle, then the radius of the circle is 13.53 units and the perimeter (circumference) is 85 units. (rounded) -- If the 575 square units of area are in the shape of a square, then each side of the square is 23.98 units and the perimeter is 95.92 units. (rounded) -- The 575 square units of area could also be a (23 x 25) rectangle, with perimeter of 96. -- The 575 square units of area could also be a (115 x 5) rectangle, with perimeter of 240. -- The 575 square units of area could also be a (575 x 1) rectangle, with perimeter of 1,152.