Step-by-step explanation
Since we have the given sides, we can apply the Pythagorean Theorem in order to obtain the needed distance:
Plugging in the terms into the expression:
Subtracting 12^2 to both sides:
Computing the powers:
Subtracting numbers:
Applying the square root to both sides:
Computing the root:
Switching sides:
In conclusion, the solution is 16ft