document.write( "Question 711294: on a circle of radius 6 ft what angle in degrees would subtend an arc of length 3 ft \n" ); document.write( "
Algebra.Com's Answer #437372 by jim_thompson5910(35256)\"\" \"About 
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Arc Length = (angle/360)*(Circumference)\r
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\n" ); document.write( "\n" ); document.write( "Arc Length = (angle/360)*(2*pi*r)\r
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\n" ); document.write( "\n" ); document.write( "3 = (angle/360)*(2*pi*6)\r
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\n" ); document.write( "\n" ); document.write( "3 = (angle/360)*(12pi)\r
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\n" ); document.write( "\n" ); document.write( "3/(12pi) = angle/360\r
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\n" ); document.write( "\n" ); document.write( "(3/(12pi))*360 = angle\r
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\n" ); document.write( "\n" ); document.write( "90/pi = angle\r
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\n" ); document.write( "\n" ); document.write( "Angle = 90/pi ... exact angle (in degrees)\r
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\n" ); document.write( "\n" ); document.write( "Angle = 28.6478897565411 ... approximate angle (in degrees)\r
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