If breadth and perimeter of a rectangle are $12.5 \mathrm{cm}$ and $101 \mathrm{cm}$ respectively, its length is of  $\mathrm{cm}$.

The perimeter of the region as shown in the figure is _____ cm.

If a piece of string of length $32.4 \mathrm{cm}$ is reformed as a square, side of the square is _____ $\mathrm{cm}$.

An isosceles trapezium has _____ line of symmetry.