To find the perimeter of a rectangle you use the formula: P = 2(l + w).

l is the length of the rectangle.
w is the width of the rectangle.
Which equation would you use to find the value of w if you were given l and P?

Question

To find the perimeter of a rectangle you use the formula: P = 2(l + w).

l is the length of the rectangle.
w is the width of the rectangle.
Which equation would you use to find the value of w if you were given l and P?

bradely · Answer

P = 2(l + w). Divide each side by 2 P/2 =l+w Subtract l from each side w = P/2 - l Source: http://www.mathskey.com/question2answer/