the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.
math - Steve, Saturday, November 17, 2012 at 10:23pm
width = 5/6
length = 4/9
p = 2(5/6 + 4/9) = 23/9