NCERT Solutions for Chapter: Mensuration, Exercise 1: Exercise

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

Four square tables with side $1.2 \text{m}$ each are placed end it to form one big rectangular table. What is the perimeters of this rectangular table?

A rectangular piece of land of dimensions $40 \mathrm{m} \times 60 \mathrm{m}$ is to be fenced $3$ rows of wire. 

What is the length of wire needed?

The perimeter of a rectangle is $26 \mathrm{cm}$. The length and breadth of the rectangle are integers. Find the number of possible pairs of length and breadth

Rachit walks $1500 \mathrm{m}$ by covering five times around a rectangular ground. If the length of the ground is two times its breadth, then find its length.

A farmer wants to convert his rectangular field into a square shaped field of the same area. The length and the breadth of the field is $54 \mathrm{m}$ and $24 \mathrm{m}$, respectively. After conversion, what is the side of the square field?

The floor of a study room is in the shape of a rectangle, it is $12 \mathrm{ft}$ long and $10 \mathrm{ft}$ wide. How many tiles with $2 \mathrm{ft}\times 2 \mathrm{ft}$ are required to cover the floor of the room?

Sum of the area of regions $A, B$ and $C$ is $140 {\mathrm{cm}}^2$, then $x$ is