Question

the sides of a polygon are 3,4,5,6 and 7cm. Find the perimeter of a similar polygon, if the sides corresponding to 5cm is 9cm long.

Answer 1

multiply all the sides by 9/5

Answer 2

5.4, 7.2, 9, 10.8 and 12.6 are the measurements of each side. The perimeter is 45.