CAN SOMEONE PLEASE HELP ME WITH THIS GEOMETRY QUESTION THANK YOU !!!

Step-by-step explanation:

The construction of the figure gives us three right triangles, where we can apply Pythagora's Theorem.

I have added two variables to the image in the picture attached.

On the triangle with sides y,h,16 we have:

On the triangle with sides h,z,25 we have:

Equating :

On the bigger triangle with sides y,z,16+25=41 we have:

Adding this last equation with [1]:

Simplifying:

Operating:

Dividing by 2:

Taking square root:

y=20

To enter the number in the required format:

2 is the final ! : )

step-by-step explanation:

this is not a question