Question Text
Question 1 :
The circumference of a circular field is $528\ m$. Then its area  is
Question 2 :
If the area of a circle is $346.5 \displaystyle cm^{2}$. Its circumference is
Question 3 :
If the radius of a circle is $\dfrac{7}{\sqrt{\pi}}$, what is the area of the circle (in $cm^2$)?
Question 4 :
The radius of a circular wheel is $1.75\ m$. The number of revolutions that it will make in covering $11\ kms$ is:
Question 5 :
A cord in the form of square encloses the area 'S'$ \displaystyle cm^{2} $ If the same cord is bent into the form of a circle then the area of the circle is
Question 6 :
The area of a sector of a circle of radius 16 cm cut off by an arc which is 18.5 cm long is
Question 7 :
A circular disc of radius 10 cm is divided into sectors with angles $ \displaystyle 120^{\circ}   $ and  $ \displaystyle 150^{\circ}   $ then  the ratio of the areas of two sectors is
Question 8 :
Circular dome is a 3D example of which kind of sector of the circle?
Question 9 :
What is the minimum radius $(>1)$ of a circle whose circumference is an integer?
Question 10 :
A rope by which a cow is tethered is in reased from 16m to 23m. How much additional ground does it have to graze now?