document.write( "Question 159747: An adjustable water sprinkler that sprays water in a circular pattern is placed at the center of a square field whose area is 1250 square feet. What is the shortest radius setting that can be used if the field is to be completely enclosed within the circle? \n" ); document.write( "
Algebra.Com's Answer #117784 by edjones(8007)\"\" \"About 
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sqrt(1250)=25sqrt(2) length of one side
\n" ); document.write( "The diagonal of the field is 25sqrt(2)*sqrt(2)=50' because the hypotenuse of an isosceles right triangle equals the length of one of the sides times sqrt(2) (on the SAT test frequently).
\n" ); document.write( "The shortest radius setting is 50/2=25'
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