
Step-by-step explanation:
Since we have given that
Area of two similar decagons are 625 ft² and 100 ft² ,
As we know the relation of area of similar figures, i.e.

Now, we also know that ,

Hence,

Answer:
2
Step-by-step explanation:
8 so D since -5 becomes a posit and then add 3
The perimeter means the sum of all sides.
So, In pentagon, it would be: 5(15) [ With five sides ]
In short, Your Answer would be Option C
Hope this helps!