External dimensions of a wooden cuboid are 30 cm×25 cm×20 cm. If the thickness of the wood is 2 cm all around, then find the volume of the wood used to create the hollow cuboid.

External dimensions of a wooden cuboid are 30 cm×25 cm×20 cm. If the

1.	External dimensions of a wooden cuboid are 30 cm×25 cm×20 cm. If the thickness of the wood is 2 cm all around, then find the volume of the wood used to create the hollow cuboid.
Answer» External dimensions of a wooden cuboid are $30 c m \times 25 c m \times 20 c m$ . If the thickness of the wood is $2 c m$ all around, then find the volume of the wood used to create the hollow cuboid.