Question

How many kilometers long is the perimeter of a square whose area is 25square
kilometers?

Answer 1

20km

Step-by-step explanation:

If the area is 25, then the length of one side will be the square root of 25. The square root of 25 is 5, so each side must be 5 km long. If each of the four sides is 5 km long, then the perimeter would be 20 km because there are four sides total