The area of the original polygon is: A = 225 m ^ 2 The similar polygon area is: A '= (k ^ 2) * (A) Substituting values: 3 * 225 = (k ^ 2) * (225) Clearing k we have: k ^ 2 = 3 k = (3) ^ (1/3) Answer: The length of each side increased by: k = (3) ^ (1/3)