document.write( "Question 998013: Write answer in terms of \"pi\": Find the length of arc AB what the measure of the inscribed angle = 40° and the radius being 20. \n" ); document.write( "
Algebra.Com's Answer #615972 by fractalier(6550)\"\" \"About 
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40 degrees is 40/360 of a circle or 1/9 of the circumference.
\n" ); document.write( "C = 2(pi)r = 2(pi)20 = 40(pi)
\n" ); document.write( "Thus the answer is
\n" ); document.write( "40(pi) / 9.
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