Perimeter.

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Presentation transcript:

Perimeter

Learning Goals LG: Develop and apply a formula for determining the perimeter of polygons Kid Friendly: Be able to find the perimeter of a non curved shape What I think I know:

Definition Perimeter: the distance around a two-dimensional shape The perimeter of a shape means adding up the length of each side

For Example

Equations There are specific equations you can use to find certain perimeters If your shape is a REGULAR polygon than you know that all of the sides are the same. That means you could take the length of each side and multiply by the number of sides on the shape If your shape is an IRREGULAR polygon you will need to add the length of every side together

Specific Equations The equation to find the perimeter of a square is: 4 x the length of one side 4s The equation to find the perimeter of a rectangle is: 2 x the length + 2 x the width 2l + 2w