Identify some objects which are in cube or cuboid shape.

Find the areas (in $\mathrm{sq}. \mathrm{units}$) of the shaded regions of the $3$-D figure given below:

Find the area (in $\mathrm{sq}. \mathrm{units}$) of the shaded region of the $3$-D figure given below:

Find the areas (in $\mathrm{sq}. \mathrm{units}$) of the shaded regions of the $3$-D figure given below:

Find the areas (in $\mathrm{sq}. \mathrm{units}$) of the shaded regions of the $3$-D figure given below:

Consider the distance between two consecutive dots to be $1 \mathrm{cm}$ and draw the front view, side view and top view of the following $3$-D figure.

Fill the table:

Count the number of faces, vertices and edges of given polyhedra and verify Euler’s formula.