Answer:

Step-by-step explanation:
What do you need help with I don’t see where you would need help No fence it just all looks filled in I would love to help
The answer is 12 your welcome
Use Pythagorean theorem here.
Walkway is √40²+30² so 50
The anwser would be a 90 degree angle because t batter what the frame would be 360 degrees cuz each angle being 90 degrees