Find the perimeter of a square in $cm$ with sides of length

$5.5\mathrm{cm}$

Find the perimeter of a rectangle in $cm$ with

length =$11\mathrm{cm}$ and breadth = $7\mathrm{cm}$

Find the perimeter of a rectangle with

length = $8.5\mathrm{cm}$ and breadth =  $5.25\mathrm{cm}$

A piece of wire is $60\mathrm{cm}$ long. What will be the length of each side if the wire is used to form a square?

A piece of wire is $60\mathrm{cm}$ long. What will be the length of each side if the wire is used to form an equilateral triangle?

A piece of wire is $60\mathrm{cm}$ long. What will be the length of each side if the wire is used to form a regular pentagon?

A piece of wire is $60\mathrm{cm}$ long. What will be the length of each side in $cm$ if the wire is used to form a regular hexagon?