document.write( "Question 91319: hi, i would like to how can i solve the following problem: ''the circumference of a semi-circle is 1000m. find its area.''\r
\n" ); document.write( "\n" ); document.write( "so please can you help me with this problem.
\n" ); document.write( "thanks!
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Algebra.Com's Answer #66292 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
the circumferance of a circle is 2pir or
\n" ); document.write( "1/2*2pir=100
\n" ); document.write( "pir=100
\n" ); document.write( "3.14r=100
\n" ); document.write( "r=100/3.14
\n" ); document.write( "r=31.85m.
\n" ); document.write( "area of a circle is pir^2
\n" ); document.write( "a=3.14*31.85^31.85
\n" ); document.write( "a=3.14*1014.4
\n" ); document.write( "a=3184m^2
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