document.write( "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? \n" ); document.write( "

Algebra.Com's Answer #182021 by checkley77(12844) $\"\"$ $\"About$

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Area=pir^2=3.14*35^2=3.14*1,225=3,846.5 ft^2 for each sprinkler.
\n" ); document.write( "4*3,846.5=15.386 ft^2 is the area covered by 4 sprinkler systems. \n" ); document.write( "

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