The perimeter of a square is the distance around it. To calculate the perimeter of a square, multiply the length fo one side by four. Another way to find perimeter is to add together the length of all sides. To find the perimeter of a square you have to add up the lengths of all the 4 sides (example: 4+4+4+4=16 Perimeter=16). A formula you can use is P=4x (Perimeter=4 times the length of one side)
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The perimeter is 31.11 units.
12.25 square cm
you only need to measure 1. say it was a square with a side that's 5cm long then you go 5x4 and you've got the answer: 20cm perimiter!
To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.
2 * pi * r