Question 295198
hypotenuse is 13 not x+13
Also don't switch from X to x in the same equation. Use one or the other.
Angles don't have hypotenuse. Triangles do.
x^2 + (2x + 2)^2 = (13)^2
This a special right triangle 5,12,13
x=5 
2x+2=12