Manisha Paul Solutions for Chapter: Mensuration, Exercise 7: Worksheet - 63

A figure is made up of an equilateral triangle and a square of side $7 \mathrm{cm}$. The perimeter of the figure is

The perimeter of a rectangle is $54 \mathrm{m}$ and its width is $12 \mathrm{m}$. Its length is
 

Three squares of side $3 \mathrm{cm}$ each are joined together. The perimeter of resulting figure is

The area of a rectangle is $108{ \mathrm{cm}}^2$. If its length is $12 \mathrm{cm}$, the ratio of its breadth to its length is

$1{ \mathrm{cm}}^2=$ ______ ${\mathrm{mm}}^2$
 

The side of a square whose perimeter and area are the same, is ______ 
 

A marble tile has dimension $25 \mathrm{cm}\times 20 \mathrm{cm}$, then number of tiles required to cover the floor of dimensions $4 \mathrm{m}\times 3 \mathrm{m}$ is
 

The cost of fencing an equilateral triangle of side $13 \mathrm{m}$ at the rate of $₹ 50$ per metre is