Question

9 ft

Answer 1

Answer:

488 ft^3

Step-by-step explanation:

break into a big rectangle, small rectangle, and triangle to find their volumes

volume of big rectangle: 9x12x4= 432 ft^3

volume of small rectangle: 4x1.5x2= 12 ft^3

volume of triangle: find area 1/2(2x11)=11

multiply by debth 11x4=44 ft^3

add them up