document.write( "Question 112891: the area of a trapezoid is 210 square inches. The height is 10 inches and base2 is 24 inches. What is the length of base1? \n" ); document.write( "
Algebra.Com's Answer #82246 by checkley71(8403)\"\" \"About 
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210=10(24+x)/2
\n" ); document.write( "210=5(24+x)
\n" ); document.write( "210=120+5x
\n" ); document.write( "5x=210-120
\n" ); document.write( "5x=90
\n" ); document.write( "x=90/5
\n" ); document.write( "x=18 answer for base1.
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