SOLUTION: You have installed a new irragration system. Each irrigation arm covers a circular region with a radius of 35 feet. How many square feet will 4 irrigation arms cover?

Algebra ->  Circles -> SOLUTION: You have installed a new irragration system. Each irrigation arm covers a circular region with a radius of 35 feet. How many square feet will 4 irrigation arms cover?      Log On


   

Question 249904: You have installed a new irragration system. Each irrigation arm covers a circular region with a radius of 35 feet. How many square feet will 4 irrigation arms cover?
Found 2 solutions by checkley77, rfer:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
Area=pir^2=3.14*35^2=3.14*1,225=3,846.5 ft^2 for each sprinkler.
4*3,846.5=15.386 ft^2 is the area covered by 4 sprinkler systems.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3.14*35^2=3846.5*4=15,386 sq ft