document.write( "Question 1179012: Determine the central angle that cuts off an arc of 22.5 inches on a circle with a 21.0 inch radius. Express the answer to 1 decimal place and use = 3.14. \n" ); document.write( "
Algebra.Com's Answer #808500 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "radius \"r=21in\"
\n" ); document.write( "arc length =\"+22.5in\"\r
\n" ); document.write( "\n" ); document.write( "central angle:\r
\n" ); document.write( "\n" ); document.write( "the ratio of circumference to the arc length is equal to the ratio of \"360\" to central angle \"theta\"\r
\n" ); document.write( "\n" ); document.write( "\"%282%2A21%2A3.14%29%2F22.5=360%2Ftheta\"\r
\n" ); document.write( "\n" ); document.write( "\"5.86133=360%2Ftheta\"\r
\n" ); document.write( "\n" ); document.write( "\"theta=360%2F%285.86133%29\"\r
\n" ); document.write( "\n" ); document.write( "\"+theta=+61.4+\"degrees\r
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