document.write( "Question 337967: my Question is: A rectangular computer screen measures 28 centimeters by 21 centimeters. What is the perimeter Of the screen? \n" ); document.write( "
Algebra.Com's Answer #242292 by katealdridge(100)![]() ![]() You can put this solution on YOUR website! Perimeter of a rectangle is the length of each of the four sides added together. So the perimeter of the computer screen is 28+28+21+21 = 98cm. \n" ); document.write( " |