A 40 yd polygon and 15 yd polygon are similar. find the area of their ratios

Because we are dealing with area, we have to square the difference of the 2 polygons. 40 / 15 = 2.6666666667 2.6666666667^2 = 7.1111111111

So, the 40 yard polygon has 7.1111111111 times the area of the 15 yard polygon.