Find the value of x in the isosceles triangle shown below.

Answer:
I believe the answer is x= 29
Step-by-step explanation:
I think this is the correct answer because if you use the Pythagorean theorem (a^2 + b^2= c^2), you can use it to find the hypotenuse.
5^2= 25
4/2= 2^2= 4
25+ 4= 29
x= 29