document.write( "Question 189675: dear tutor, \r
\n" ); document.write( "\n" ); document.write( " I am having a slight uissue witht his problem and understand none of it so here is the problem (may I ask you 2)\r
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\n" ); document.write( "\n" ); document.write( " 1. C=8/5 X 3.14mm 2. A=1962.5cm^2 it says use pi but the first one has pi the second one dosent please help! Thanks!
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Algebra.Com's Answer #142319 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
1. C=8/5 X 3.14mm 2. A=1962.5cm^2 it says use pi but the first one has pi the second one dosent please help! Thanks!
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\n" ); document.write( "I think the #1 is asking for the Circumference if the diameter is 8/5 mm, or 1.6 mm.
\n" ); document.write( "C = \"pi%2Ad\"
\n" ); document.write( "C = 1.6*3.14159
\n" ); document.write( "C = ~ 5.0265 mm
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\n" ); document.write( "The 2nd is the Area
\n" ); document.write( "A = \"pi%2Ar%5E2\"
\n" ); document.write( "R = \"sqrt%28A%2Fpi%29\"
\n" ); document.write( "r = ~ 24.99 cm (25 if you use 3.14 for pi)
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