Help me with this please?

or 7.14

Step-by-step explanation:

Using the Pythagoras theorem, we can conclude the formula that we are going to use here is

As we can see, this is a right triangle given that it has the square in the corner there. With this information, we can conclude that the longest side is 10, making it the hypotenuse or

Now we need to find in the formula of making the equation or

Given the provided information, this would be or

Simplifying it would be =

The radical form would be

While it's integer would be 7.14

Hope this helps!