SOLUTION: if the perimeter of a rectangle is 42 units, and the scale factor between the rectangle is 1/3, what is the perimeter of the smaller, similar rectangle (the new image)?

Algebra ->  Rectangles -> SOLUTION: if the perimeter of a rectangle is 42 units, and the scale factor between the rectangle is 1/3, what is the perimeter of the smaller, similar rectangle (the new image)?      Log On


   



Question 1007855: if the perimeter of a rectangle is 42 units, and the scale factor between the rectangle is 1/3, what is the perimeter of the smaller, similar rectangle (the new image)?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter is linear. That means that if the perimeter is reduced by some factor, the sides are reduced by the same factor. Thus the smaller rectangle has a perimeter 1/3 as much as the larger and
(1/3)42 = 14 units.