Knowing the area doesn't tell the perimeter. There are an infinite number of
different perimeters that can all enclose the same area. The shortest one is
a circle. The next shortest is a square. From there, you can actually make the
perimeter as large as you want, with no limit, while keeping the area constant.
Examples:
30 cm by 40 cm . . . . area = 1,200 cm2 . . . perimeter = 140 cm
10 cm by 120 cm . . . area = 1,200 cm2 . . . perimeter = 260 cm
2 cm by 600 cm . . . . area = 1,200 cm2 . . . perimeter = 1,204 cm
1 cm by 1,200 cm. . . area = 1,200 cm2 . . . perimeter = 2,402 cm
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the answer is 16 cm and that is the perimeter.
For a square Area = Side2 thus Side = √Area = √81 = 9cmFor a square, Perimeter = 4 x Side = 4 x 9 = 36cm
centimeters
6x4 has a perimeter of 2*(6+4) = 2*10 = 20 cm 6.5x2 has a perimeter of 2*(6.5+2) = 2*8.5 = 17 cm So the first has the larger perimeter.
46 centimeters