This diagram shows three possible axis of symmetry through a cuboid. For each one state the order of rotational symmetry clockwise through $360°$

 

   

 

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Determine the order of rotational symmetry of given solid for rotation about the given axis.

Calculate the length (in $\mathrm{cm}$) of the chord $AB$ in the following circle. $X$ is the mid-point of $AB$.

Calculate the length (in $\mathrm{mm}$) of the chord $AB$ in the following circle. $X$ is the mid-point of $AB$.