document.write( "Question 202120: The area of a trapezoid is A=(a+b)h over 2. If A=300, h=5, and b=30, what is the value of a? \n" ); document.write( "
Algebra.Com's Answer #152388 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! A=(a+b)h \n" ); document.write( "a=A/h-b \n" ); document.write( "a=300/5-30 \n" ); document.write( "a=60-30 \n" ); document.write( "a=30 \n" ); document.write( "Sorry for the missunderstanding, I did not see the over 2 before. \n" ); document.write( "A=((a+b)h)/2 \n" ); document.write( "2A=ah+bh \n" ); document.write( "ah=2A-bh \n" ); document.write( "a=(2A-bh)/h \n" ); document.write( "a=(2(300)-(30)(5))/5 \n" ); document.write( "a=(600-150)/5 \n" ); document.write( "a=450/5=90 \n" ); document.write( "I hope that looks better to you. \n" ); document.write( "Again, sorry. \n" ); document.write( "Bob \n" ); document.write( " |