Perimeter

 

Today in math we learned how to find the perimeter of polygons!

Perimeter is a measurement of the distance around the outside of an object. To calculate perimeter of a polygon you must find the sum of the lengths of its sides.

Ex. This polygon has 6 sides therefore:

                Perimeter      = S + S + S + S + S + S

    = 4cm + 3cm + 3cm + 4cm + 3cm + 3cm

                                    =  20 cm

Click on the butterflies to practice some perimeter questions.