2m Fig: Rectangular system of planting 3m a. 2 11. What system of planting is used in this layout? a. hexagonal system b. quincunx system c. rectangular system d. square planting system 12. How many plants can be planted in a row? b. 3 c. 4 d. 12 13. How many lines of rows are there in the area? b. 3 c. 2 d. 1 14. How many plants can be planted in each row? b. 3 C. 4 d. 9 15. How many plants can be grown in the area? b. 9 d. 3 a. 4 a. 1 C. 6 a. 16​