(a)
the area of a square = s² ( where s is the length of side )
area = 55² = 3025 ft²
(b)
the volume (V) of a pyramid is calculated using
V = [tex]\frac{1}{3}[/tex] × area of base × height
= [tex]\frac{1}{3}[/tex] × 3025 × 460
= 463 833 ft³ ( to nearest cubic foot )
