Answer:
20 feets 
Explanation:
The total area of the square pyramid, including base :
Area of base = Area of square `= s² ; s = base length = 
Area of base = 2² = 4 feets 
Area of triangle = 1/2 * base * height 
Area of triangle = 0.5 * 2 * 4 = 4 feet²
Number of triangles = 4 
Therefore, total of (4 * 4 feets) + 4 feets
= 16 feets and area of square baaa
= 20 feet²