Respuesta :

Answer:

Volume of rectangular prism = 81 feet³

Explanation:

Volume of rectangular prism is same as volume of cuboid

Length = 9 ft

Width = 4 ft

Height = 2 [tex] \frac{1}{4} [/tex] ft = [tex] \frac{9}{4} [/tex] ft

Volume of rectangular prism = Length × Width × Height

= 9 × 4 × [tex] \frac{9}{4} [/tex]

= 36 × [tex] \frac{9}{4} [/tex]

= [tex] \frac{324}{4} [/tex]

= 81 feet³