S K Khanuja Solutions for Chapter: Concept of Perimeter and Area, Exercise 2: Exercise

If the radius of a circle, whose circumference is $44$ units, is $k$ units, then find the value of $k$. [Use $\pi =\frac{22}{7}$]

Find the diameter of a circle whose circumference is $66 \mathrm{cm}$. 

Find the diameter of a circle whose circumference is $88 \mathrm{cm}$.

If the diameter of a circle whose circumference is $44$ is $k$ units, then find the value of $k$

The radius of a circle whose circumference is $176 \mathrm{cm}$ is $k cm$. Find the value of $k.$

Find the diameter of a wheel whose circumference is $75\frac{3}{7} \mathrm{cm}$. $\left(\mathrm{Take} \mathrm{\pi }=\frac{22}{7}\right)$ 

Find the distance covered by the wheel of a car in $500$ revolutions if the diameter of the wheel is $77 \mathrm{cm}$.

The diameter of the wheel of a car is $70 \mathrm{cm}$. If there are $k$ revolutions,it will make to travel $1.65 \mathrm{km}$, then find the value of $k$.