document.write( "Question 1038306: The perimeter of rectangle ABCD is 42 cm and the area is 80 cm2. Which equation can be used to find the dimensions of the rectangle? (Hint: Set up a system of equations). \r
\n" );
document.write( "\n" );
document.write( "options:
\n" );
document.write( "xy + 2x + 2y = (42)(80)
\n" );
document.write( "x^2 + 80x - 42 = 0
\n" );
document.write( "x^2 - 42x + 80 = 0
\n" );
document.write( "x^2 - 21x + 80 = 0 \n" );
document.write( "
Algebra.Com's Answer #653011 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Some understanding is needed and you will find this discussion lesson here: \n" ); document.write( "How to Find Dimensions of Rectangle for given Area and Perimeter - https://www.algebra.com/my/FIND-RECTANGLE-DIMENSIONS-USING-GIVEN-PERIMETER-AND-AREA.lesson?content_action=show_dev \n" ); document.write( " |