document.write( "Question 12101: What is the length of the other base of a trapezoid when the height of the trapezoid is 16m, one base is 20 m, and the area is 224 m squared. \n" ); document.write( "

Algebra.Com's Answer #6141 by bonster(299) $\"\"$ $\"About$

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A=h( $\"%28b%2Bb%29%2F2%29\"$ )
\n" ); document.write( "224 $\"m%5E2\"$ =16m( $\"%2820m%2Bb%29%2F2%29\"$ ) divide both sides by 16m
\n" ); document.write( " $\"%28224m%5E2%29%2F16m\"$ = $\"%2816m%2F16m%29\"$ ( $\"%2820m%2Bb%29%2F2%29\"$ )
\n" ); document.write( "14m=( $\"%2820m%2Bb%29%2F2%29\"$ )
\n" ); document.write( "14m=10m+ $\"b%2F2\"$ subtract 10m from both sides
\n" ); document.write( "14m-10m=10m+ $\"b%2F2\"$ -10m
\n" ); document.write( "4m= $\"b%2F2\"$ multiply both sides by 2
\n" ); document.write( "(4m)(2)= $\"b%2F2\"$ (2)
\n" ); document.write( "8m=b\r
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\n" ); document.write( "\n" ); document.write( "The length of the other base is 8 meters
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