Micah needs sprinklers for his lawn. The store only has sprinklers that rotate 90° and 60°. The 90° sprinkler sprays 12ft and the 60° sprinkler sprays 15ft. He has enough cash to buy 4 of the 90° sprinklers or 5 of the 60° sprinklers. Answer the following to one decimal place (no units) A. How much area does a single 90 degree sprinkler cover?
B. How much area does a single 60 degree sprinkler cover? C. Four 90° sprinklers cover how many square feet of area?
D. Five 60° sprinklers cover how many square feet of area? E. Which is the better deal, i.e. covers more area? (Answer 60 or 90)