document.write( "Question 749475: How do you solve:\r
\n" ); document.write( "\n" ); document.write( "In a circle with center O, arc RS=12 degrees. How many degrees are there in angle RSO?
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Algebra.Com's Answer #455962 by Alan3354(69443)\"\" \"About 
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In a circle with center O, arc RS=12 degrees. How many degrees are there in angle RSO?
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\n" ); document.write( "RS is not a straight line, it's the arc.
\n" ); document.write( "The angle between the tangent at point S and the radius SO is 90 degs
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