Answer:

Step-by-step explanation:
Let the side length for the octagon having 9m² as area = x
Side length for the octagon having area of 25m² = y.
Thus:
(area of similar polygons theorem)
The scale factor of their sides would be
. Which is:



Scale factor of their sides = 
Answer:
{x,y}={6,1}
Step-by-step explanation:
One half belongs to the rational number which are number that can be experssed as the simplest fraction

where a,b are integers