Answer:
7.07
Step-by-step explanation:
If the square has an area of 25 then its side lengths must be 5 by 5.
The diagonal of the square can be found using the Pythagorean theorem. Substitute a = 5 and b = 5.
5² + 5² = c²
25 + 25 = c²
50 = c²
√50 = c
7.07 =c
