a path of width 3.5m runs all around a circular pool having an area of 962.5m find the area of the path???
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πr^2=962.5 so r value=sqrt{962.5 \div π} = 17.50. now total radius of large circle is 17.50+3.50=21 so area of large circle isπ×21×21 is=1385.4423602 so area of path is 1385.4423-962.5= =422.94 is the final answer
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