Answer:
Step-by-step explanation:
The Pythagorean Theorem is l^2 + l^2 = H^2:
Substituting 12 and 16 as our l's we achieve:
12^2 + 16^2 = 144 + 256
144 + 256 = 400
Square root of 400 = 20
So H or Hypotenuse = 20.
Adding gives us 20 + 12 + 16 = 48 feet.
