Answer:
The last one
Step-by-step explanation:





<em>⇨ Use the formula below</em>
<em />
<em>⇨ Substitute the parameters:</em>
<em />
<em />


Hope that helped
The answe would be 300 because, the perimeter of the windows is 12, then you have to multiply 25 to 12 then bam you get 300, yay!