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?

The length and breadth of a rectangle are $12 \mathrm{cm}$ and $9 \mathrm{cm}$ respectively. If the side of the square with its perimeter equal to that of the rectangle is $\mathrm{k} \mathrm{cm}$, find the value of $k$ in decimal form.

The length and breadth of a rectangle are$12\mathrm{cm}$ and $9\mathrm{cm}$ respectively. Find the side of the equilateral triangle with its perimeter equal to that of the rectangle.

The perimeter of a rectangle is $38\mathrm{cm}$  and its length is $12\mathrm{cm}$. Find its breadth.