Find the area of a triangle in which each side measures $8 \text{ cm}$ (in $\sqrt{3}$)? (in $\text{sq. cm.}$)

Height of an equilateral triangle is $9 \ cm$. Find its area?

The area of an equilateral triangle,each of whose sides measures $2 \sqrt{3} \text{ cm}$ is

If the length of a rectangle is increased by $10 \%$ and its breadth is decreased by $10 \%,$ then its area

The cost of levelling a rectangular ground at $Rs. 1.25$ per $sq. metre$ is $Rs. 900$. If the length of the ground is $30$ $metres$,then the width is? (in $metres$)

Two cubes,each of $10 \, cm$ edge,are joined end-to-end. Then,the surface area of the resulting cuboid is ...... $cm^2$.