Perimeter Formula.

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Presentation transcript:

Perimeter Formula

Perimeter Is the distance AROUND an object

Perimeter If you started at one point and went all the way around until you got to where you started, the perimeter is the total distance you have gone.

Perimeter

Perimeter

Let’s say you have a polygon that is 10 inches long and 4 inches wide 10 + 4 + 10 + 4 = 28

Perimeter of a Rectangle

Perimeter of a Rectangle

Perimeters of other shapes 9 + 11 + 9 = 29

Perimeters of other shapes a + b + c = perimeter

Perimeters of other shapes

Perimeters of other shapes Perimeter of a square = 4 x length of the side Perimeter = 4 x 5 = 20