Question

Which one has a greater value the square root of 2 or 2.8

Answer 1

square root of 2.8 because its approximate form is 1.6733201 while square root of 2 is 1.4142136

Answer 2

The way in which I interpret your question is:

Which is larger? √2 or 2.8

Note that the approx value of √2 is 1.414.

So, obviously, 2.8 is greater than√2.