Help me out please
And it has to be in inches

perimeter: 42 in.

Step-by-step explanation:

separate the triangle, in the smallest triangle find the missing length of that side (hypotenuse: 13, short leg: 5, long leg: ?), which is (long leg) 12 in. (a^2+b^2=c^2 then 5^2+b^2=13^2) do the same process with the other half of the triangle. and you have your answer. hope this helped :)