Carla has built the figure below by using congruent cubes . What is the total volume of the figure she built

Carla has built the figure below by using congruent cubes . What is the total volume of the figure she built class=

Verified Answer :

If each side of the cube is 3ft, then the volume of one cube is 333 = 27 times the number of cubes which is 15, so 27*15= 405 feet cubed is the volume of the structure.