document.write( "Question 390551: What is the length of a diagonal of a sqaure with a perimeter of 28 centimeters? \n" ); document.write( "
Algebra.Com's Answer #276964 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What is the length of a diagonal of a square \n" ); document.write( "with a perimeter of 28 centimeters? \n" ); document.write( "--- \n" ); document.write( "Perimeter of a square = 4s where s is the length of each side. \n" ); document.write( "------------------ \n" ); document.write( "4s = 28 \n" ); document.write( "s = 7 cm (length of each side) \n" ); document.write( "---- \n" ); document.write( "Note: diagonal^2 = side^2 + side^2 \n" ); document.write( "----------------- \n" ); document.write( "d^2 = 2s^2 \n" ); document.write( "d^2 = 2*49 \n" ); document.write( "d = 7*sqrt(2) cm \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======== \n" ); document.write( " \n" ); document.write( " |