"Perimeter" is the distance around something, often a piece of land, or a
closed geometric figure drawn on paper.
The square root of 8 is neither of those things. It's just a number. A number
doesn't have a perimeter.
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perimeter of a square = 4 * root of the area. Perimeter = 4 * root 25 = 4 * 5 = 20 ft
4 root 4 ie 8 cm
For a square yes. If square root the area, you will get the length of a side. Times this by 4 to get the perimeter. E.g. Area=64cm2 64(square rooted)=8cm 8 X 4=32cm Perimeter=32cm
Perimeter = 4 times the square root of the area.
The perimeter of a square is four times the square root of its area, so the perimeter of a square one-acre area is four times the square root of an acre.1 acre = 43560.17 ft2, so the square root of an acre is about208.7 ft. The perimeter of the square is therefore4 x 208.7 ft = 834.8 ft.