document.write( "Question 607454: A road 3.5m wide surrounds a circular plot whose circumference is 44 m.find the cost of paving the road at rs 50 per m sq \n" ); document.write( "
Algebra.Com's Answer #382778 by ankor@dixie-net.com(22740)\"\" \"About 
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A road 3.5m wide surrounds a circular plot whose circumference is 44 m.
\n" ); document.write( "find the cost of paving the road at rs 50 per m sq
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\n" ); document.write( "Find the radius of the plot
\n" ); document.write( "\"2%2Api%2Ar\" = 44
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\n" ); document.write( "r = \"44%2F%282%2Api%29\"
\n" ); document.write( "r = 7.0 meters
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\n" ); document.write( "Find the area of the plot
\n" ); document.write( "A = \"pi%2A7%5E2\"
\n" ); document.write( "A = 154 sq/m
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\n" ); document.write( "Radius of the whole thing: 7 + 3.5 = 10.5 meters
\n" ); document.write( "Find the Area of the whole thing
\n" ); document.write( "A = \"pi%2A10.5%5E2\"
\n" ); document.write( "A = 346.36 sq/m
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\n" ); document.write( "Find the area of the road only
\n" ); document.write( "346.36 - 154 = 192.36 sq/m
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\n" ); document.write( "Find the cost of the road
\n" ); document.write( "192.36 * 50 = 9,618. 03 Rs
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