1. Perimeter LESSON 19 POWER UP CPAGE 128

2. Perimeter The distance around the outside Find any missing sides Add all the sides together 6 cm 5 cm

3. Perimeter of Regular Polygons Add all the sides or P = side length × number of sides 4 in

4. Perimeter Formulas W L S

5. Perimeter of Irregular Polygons Find the length of the missing sides Add all sides together 3 cm 9 cm 8 cm a b 5 cm

6. Perimeter of Irregular Polygons 8 cm 3 cm 9 cm 5 cm 4 cm 5 cm 9 cm 8 cm

7. Find the Sides of a Regular Polygon Side length = perimeter ÷ number of sides The perimeter of a pentagon is 45 yds. How long is each side? The perimeter of a square is 36 ft. How long is each side?