document.write( "Question 291025: The side of a square is 5 cm. shorter than the side of an equilateral triangle. The perimeter of the square is 7 cm. less than the perimeter of the triangle. Find the lengths of a side of the square and of a side of the triangle. \n" ); document.write( "
Algebra.Com's Answer #210565 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! Side of square is X, side of triangle is X+8 \n" ); document.write( "perimeter of square is 4X, perimeter of triangle is 3X + 24 \n" ); document.write( "We are told that 4X + 7 = 3X + 24 \n" ); document.write( "or X = 17 \n" ); document.write( "So side of square is 17, side of triangle is 25 \n" ); document.write( "perimeter of square is 68, perimeter of triangle is 75 \n" ); document.write( "It checks \n" ); document.write( " |