Find the area of the pentagonal field shown alongside.
All dimensions are in metres.

Find the areas of the following polygon. 

Find the areas of the following polygon. 

Find the areas of the following polygon. 

Find the areas of the following polygons. 

A school crossing sign has the dimensions as shown in the given figure.

What is the area of the sign board?

A school crossing sign has the dimensions as shown in the given figure.

If $4$ such sign boards are cut from the rectangular metal sheet $350 \mathrm{cm}$ long and $320 \mathrm{cm}$ wide, what will be the area of the metal leftover?

Find the area of a semicircle, when the area of the circle is $1476 {\mathrm{cm}}^2$.

Find the area of a semicircle (in ${\mathrm{cm}}^2$), when diameter of circle is $70 \mathrm{cm}$.