Level 2
The solid shown is built from cubes of edge 1 cm. How many more such cubes are needed to build the solid into a solid of edge 6 cm by 3 cm by 1 cm?
Level 2
The solid shown is built from cubes of edge 1 cm. How many more such cubes are needed to build the solid into a solid of edge 6 cm by 3 cm by 1 cm?