document.write( "Question 727222: The area of a trapezoid is found using the formula , where and are the parallel sides of the trapezoid and h is the height of the trapezoid. What is the area, in square kilometers, of a trapezoid with bases 5 km and 7 km and height 3 km? \n" ); document.write( "
Algebra.Com's Answer #445009 by lynnlo(4176)\"\" \"About 
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