wikiHow Finding the Perimeter of Rectangle Practice Problems 1. A rectangle with a length of 5 cm and a width of 3 cm. 2. A rectangle with a length of 12 m and a width of 6 m. 3. A rectangle with a length of 8 in and a width of 2 in. 4. A rectangle with a length of 9 ft and a width of 4 ft. 5. A rectangle with a length of 16 cm and a width of 10 cm. 6. A rectangle with a length of 20 m and a width of 7 m. 7. A rectangle with a length of 6 in and a width of 4 in. 8. A rectangle with a length of 11 ft and a width of 3 ft. 9. A rectangle with a length of 15 cm and a width of 5 cm. 10. A rectangle with a length of 7 m and a width of 13 m. 11. A rectangle with a length of 10 in and a width of 8 in. 12. A rectangle with a length of 12 ft and a width of 10 ft. 13. A rectangle with a length of 14 cm and a width of 6 cm. 14. A rectangle with a length of 9 m and a width of 6 m. 15. A rectangle with a length of 7 in and a width of 11 in. 16. A rectangle with a length of 5 ft and a width of 8 ft. 17. A rectangle with a length of 18 cm and a width of 12 cm. 18. A rectangle with a length of 6 m and a width of 15 m. 19. A rectangle with a length of 4 in and a width of 10 in. 20. A rectangle with a length of 11 ft and a width of 7 ft. Page