A polygon $ABCDE$ is divided into five parts as given below, where $\mathrm{AD}=10 \mathrm{cm}, \mathrm{AH}=8 \mathrm{cm}, \mathrm{AG}=5 \mathrm{cm}, \mathrm{AF}=2 \mathrm{cm}, \mathrm{CH}=2 \mathrm{cm}, \mathrm{BF}=3 \mathrm{cm}$ and $\mathrm{EG}=3.5 \mathrm{cm}.$

Find the area of trapezium $BFHC$ in ${\mathrm{cm}}^2$.

A polygon $ABCDE$ is divided into five parts as given below, where $\mathrm{AD}=10 \mathrm{cm}, \mathrm{AH}=8 \mathrm{cm}, \mathrm{AG}=5 \underset{¯}{\mathrm{cm}}, \mathrm{AF}=2 \mathrm{cm}, \mathrm{CH}=2 \mathrm{cm}, \mathrm{BF}=3 \mathrm{cm}$ and $\mathrm{EG}=3.5 \mathrm{cm}.$

Find the Area of $∆CHD$ in ${\mathrm{cm}}^2.$

A polygon $ABCDE$ is divided into five parts as given below, where $AD=10 \mathrm{cm}, AH=8 \mathrm{cm}, AG=5 \mathrm{cm}, AF=2 \mathrm{cm}, CH=2 \mathrm{cm}, BF=3 \mathrm{cm}$ and $EG=3.5 \mathrm{cm}.$

If the area of $∆ADE$ is $k {\mathrm{cm}}^2$, then find the value of $k$.

A polygon $ABCDE$ is divided into five parts as given below, where $\mathrm{AD}=10 \mathrm{cm}, \mathrm{AH}=8 \mathrm{cm}, \mathrm{AG}=5 \underset{¯}{\mathrm{cm}}, \mathrm{AF}=2 \mathrm{cm}, \mathrm{CH}=2 \mathrm{cm}, \mathrm{BF}=3 \mathrm{cm}$ and $\mathrm{EG}=3.5 \mathrm{cm}.$

If the area of polygon $ABCDE$ is $k {\mathrm{cm}}^2$, then find the value of $k$.

Area of trapezium $ABCD$ is $450 {\mathrm{cm}}^2$, where $DC=30 \mathrm{cm}$ and distance $\left(h\right)$ between two parallel sides $AB$ and $DC,$ is $18 \mathrm{cm}$. Find the value of $AB$ in $\mathrm{cm}.$

The floor of a hall consists of $2000$ tiles, which are rhombus-shaped and each of its diagonals are $35 \mathrm{cm}$ and $20 \mathrm{cm}$ in length. Find the total cost of polishing the floor, if the cost is $₹10 \mathrm{per} {\mathrm{m}}^2$. Give the answer in$₹.$

Top surface of a raised platform is in the shape of a regular hexagon as shown in the given figure. If the area of the hexagonal surface is $\mathrm{k} {\mathrm{cm}}^2$, then find $\mathrm{k}$ up to two decimal places. [Use, $\sqrt{3}=1.732$]

There is an octagonal shaped park as shown in the given figure. For finding its area, Priya and Divya divided it into two different ways.

Find the area of this park using both ways. Can you suggest some other way of finding its area?

A cuboid has _____ pairs of identical faces. (one/two/three/four)