Answer:
5.14
Explanation:
The way i solved this was i found the length of the line by taking the 2 (Width and also "A") and the 7 (The height and also "B"), squared both of them and added them together. Then found the square root. Sense i suck at explaining things this is what the equation should have looked like.
÷ 2. (Side wait for someone else to answer because i'm 70% sure this is right.