Answer:
The answer is 20 feet
Explanation:
Given;
Area of rectangle = 400 square feet
Base of rectangle = 20 feet
To Find;
Height of rectangle = ?
Formula;
A = b × h
Now,
A = b × h
h = A/b
h = 400/20 feet
h = 20 feet
Thus, The answer is 20 feet
-TheUnknownScientist 72