Respuesta :

Answer:

18 ft³

Step-by-step explanation:

Answer:

18 ft^3.

Step-by-step explanation:

This is a 3*3*4 prism which has been cut in half diagonally.

So it's volume is 1/2 * 3 *3 * 4

= 1/2 * 36

= 18 ft^3.