document.write( "Question 137089: what is the diameter of a circle that has an arc with the measure of 100 degrees and an arc length of 55 pi cm? \n" ); document.write( "
Algebra.Com's Answer #100313 by jedidiah(6)\"\" \"About 
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Circumference= 2Pi D\r
\n" ); document.write( "\n" ); document.write( "Circumference= (360 degrees/ 100 degrees) * 55Pi cm = 198Pi cm\r
\n" ); document.write( "\n" ); document.write( "D= 198Pi/2Pi = 99 cm
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