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6. 5. Melissa is going to walk a lap around the outer edge of the park for exercise. The park is shaped like a rectangle. The longer sides have a length of 240 yards, and the shorter sides have a length of 120 yards. How far will Melissa have walked when she completes the lap around the park?

7. 6. Ms. Venegas is sewing a lace trim around the outer edge of her handkerchiefs. If each handkerchief is a square with 20 centimeters sides, how much lace will she need for one handkerchief?

9. 18 in

10. 9. Scott purchased a used reptile aquarium at a garage sale for $5
9. Scott purchased a used reptile aquarium at a garage sale for $5. Scott will need to replace the missing wood trim that protects the glass at the top. If the aquarium is shaped like a regular octagon, with side lengths of 25 inches, how much wood trim will Scott need to buy to fix the aquarium?

11. 10. What is the length of the top side if the perimeter is 22 cm?
First you must find the length of the missing side.
5 cm
5 cm
8 cm

12. 11. What is the perimeter of this figure?

13. 11. What is the perimeter of this figure?