Question

find the square root with explanation how it is find the question is in the photo

Answer 1

1. 28 (2 sqrt 7)^2

2. 243 (9 sqrt 3)^2

3. 325 (5 sqrt 13)^2

4. 396

5. 98.

6. 80.

For all questions you basically do this:

(2 root 7)^2

2^2 = 4

root 7^2 = 7

Then you do 7 * 4, which is 28.

And so forth for all other questions.