wikiHow Triangle Perimeter Answers 1. Perimeter = 20 cm 2. Perimeter = 36 cm 3. Perimeter = 25 cm 4. Perimeter = 24 cm 5. Perimeter = 44 cm 6. Perimeter = 12 cm 7. Perimeter = 29 cm 8. Perimeter = 30 cm 9. Perimeter = 40 cm 10. Perimeter = 27 cm 11. Perimeter = 60 cm 12. Perimeter = 42 cm 13. Perimeter = 56 cm 14. Perimeter = 24 cm 15. Perimeter = 60 cm 16. Perimeter = 48 cm 17. Perimeter = 30 cm 18. Perimeter = 28 cm 19. Perimeter = 37 cm 20. Perimeter = 38 cm Page