5 + 4 + 2 + 10 = 21 feet.
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Answer: Perimeter = 8 ftArea = 4 square feetArea: = side * side4 sq.ft = side22 ft = sidePerimeter:= 4 * side= 4 * 2 ft= 8 ft.
To get the perimeter of that square add 10ft 4 times(10+10+10+10) because that's the number of sides a square have.
If the big square is 20 ft on each side the perimeter is 4*20 = 80 ft. The small square is one-fifth of the bigger square so each side will be 20/5 = 4 ft. The small square perimeter will be 4*4 = 16 ft. Combined perimeter = 80 +16 = 96 ft.
perimeter of a square = 4 * root of the area. Perimeter = 4 * root 25 = 4 * 5 = 20 ft
Perimeter = 2*(width + length) = 2*(8/12 + 2)feet = 2*(2/3 + 2) feet = 2*8/3 ft = 16/3 ft or 51/3 ft = 5 ft 4 inches