Asit Das Gupta and Alok Kumar Solutions for Exercise 1: EXERCISE 1A

Find the perimeter of the following figure in $\mathrm{cm}$.

Find the perimeter of the following figure in $\mathrm{cm}$:

Find the perimeter of the following figure in $\mathrm{cm}$:

Find the perimeter(in $\mathrm{cm}$) of the following figure:

The shortest side of a triangular garden is $20 \mathrm{m}$. Its perimeter is $130 \mathrm{m}$ and its longest side is $3$ times its shortest side. Find the third side of the garden.

The perimeter of an equilateral triangle is $42 \mathrm{cm}$. If the perimeter of a square, each side of which is double the side of the triangle is $k \mathrm{cm}$ then find $k$.

A rectangular playground is $42 \mathrm{m}$ long and $38 \mathrm{m}$ broad. If a girl runs round the playground twice then find the distance covered by her.

A field is in the shape of a square of side $150 \mathrm{m}$. The cost of fencing the field is $₹45$ per $\mathrm{metre}$. Find the total cost of fencing the field.