document.write( "Question 876686: area of triangle is 81 cm square the measure of height is half of the base what is the measure of triangle base \n" ); document.write( "
Algebra.Com's Answer #528996 by edjones(8007)\"\" \"About 
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a=b/2
\n" ); document.write( "A=ab/2=81
\n" ); document.write( "(b/2 * b)/2 = 81
\n" ); document.write( "b^2/2=81
\n" ); document.write( "b^2=162
\n" ); document.write( "b=9sqrt(2)
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