document.write( "Question 202129: my question is: the area of a trapezoid is A=(a+b)h .there is a line under that with a 2 under it. If A=300, h=5, and b=30, what is the value of a? \n" ); document.write( "
Algebra.Com's Answer #152443 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! A=((a+b)h)/2 \n" ); document.write( "300=((a+30)5)/2 \n" ); document.write( "2*300=5a+150 \n" ); document.write( "450=5a \n" ); document.write( "a=90 \n" ); document.write( " |