document.write( "Question 1077196: Find the circumference of a circle that can be inscribed in an equilateral triangle whose base is 60 inches. \n" ); document.write( "
Algebra.Com's Answer #691729 by addingup(3677)\"\" \"About 
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let the base be side a. The formula for the equilateral's inscribed circle's radius is:
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\n" ); document.write( "a(sqrt3/6) = R
\n" ); document.write( "60(sqrt3/6) = R
\n" ); document.write( "10(sqrt3) = R
\n" ); document.write( "10(1.732) = 17.32\r
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