document.write( "Question 1115182: A circle has a circumference whose length is 25 pi. Find the lenght of an arc whose central angle is 90 degrees. \n" ); document.write( "
Algebra.Com's Answer #730073 by josgarithmetic(39617)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"90%2F360=1%2F4\"
\n" ); document.write( "and then \"highlight%2825pi%2F4%29\"
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