The greatest area is that of a circle of circumference 48cm which is approximately 183.35 cm2.
circumference = 2 x π x radius
⇒ radius = circumference/2π
area = π x radius2
= π x (circumference/2π)2
= circumference2 ÷ (4π)
= (48 cm)2 ÷ (4π)
= 576/π cm
≈ 183.35 cm2
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Each side of the square will have a length of 12cm and its area is 12*12 = 144 square cm
12 x 12 = 144 So 12 + 12 + 12 + 12 = 48 as a square has four sides so answer is 48cm
48cm
It's greatest possible perimeter: 1+39+1+39 = 80 feet
A square.