document.write( "Question 92402: help with A=1/2h(B+b) (for b) \n" ); document.write( "
Algebra.Com's Answer #67250 by checkley71(8403)\"\" \"About 
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A=1/2*H(B+b)
\n" ); document.write( "A=H(B+b)/2 NOW CROSS MULTIPLY
\n" ); document.write( "H(B+b)=2A
\n" ); document.write( "HB+Hb=2A
\n" ); document.write( "Hb=2A-HB
\n" ); document.write( "b=(2A-HB)/H
\n" ); document.write( "
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