A garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are $16 m$ and $8 m$ respectively, calculate the perimeter of the garden $(\mathrm{\pi }=3.14)$.

A garden is made up of a rectangular portion and two semicircular regions on either sides. If the length and width of the rectangular portion are $16 m$ and $8 m$ respectively, calculate the total area of the garden. $(\mathrm{\pi }=3.14)$

The radius of a circular flower garden is $21 \mathrm{m}$. A circular path of $14 \mathrm{m}$ wide is laid around the garden. Find the area of the circular path.

A Kho-Kho ground has dimensions $30\mathrm{m}\times 19\mathrm{m}$ which includes a lobby on all of its sides. The dimensions of the playing area is $27 \mathrm{m}\times 16 \mathrm{m}$. Find the area of the lobby.