Question

The side length of the largest cube that can fill up the rectangular prism as shown above is .

• A. $2$ units
• B. $3$ units
• C. $0.5$ units

Answer 1

The correct option is A $2$ units

For the given rectangular prism as shown:

The largest cube that should fit in the prism should have a length such that no part of the cube sticks out when stacked against one another in each direction.
For this diagram, we observe that for the side length equals $2$ units the condition is satisfied.
$\therefore$ The largest cube that can fit inside the prism have a length of $2$ units.