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?

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) (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) (Show Source): You can put this solution on YOUR website!
3.14*35^2=3846.5*4=15,386 sq ft
RELATED QUESTIONS
Some farmers use a circular irrigation method. An irrigation arm acts as the radius of an (answered by Alan3354)
Farmers use an irrigation system that waters a circular region in a field. A square... (answered by jorel555)
the question is.. An irrigation system waters a circular field that has a 60-foot radius. (answered by Alan3354)
Mr. Flores has a circular fountain with a radius of 5 feet. He plans on installing a... (answered by Alan3354)
An irrigation system waters in circular patterns. Each irrigated section is a circle with (answered by ikleyn)
Can anyone help me with this word problem? A farmer has a square plot of land. An... (answered by Alan3354)
A farmer has a square plot of land. An irrigation system can be installed with the option (answered by ankor@dixie-net.com)
A circular plot with 720 feet diameter is water by spray irrigation system to the nearest (answered by mananth)
Mr Flores has a circular fountain with a radius of 5feet. He plans on installing a brick (answered by josgarithmetic,MathTherapy,ikleyn)