Question 1 :
If the radius and arc length of a sector are 17 cm and 27 cm respectively, then the perimeter is
Question 3 :
If 'c' be the circumference and 'd' be the diameter then the value of$ \displaystyle \pi $ is equal to-<br>
Question 4 :
What is the area of the sector of a circle, whose radius is $6\ m$ when the angle at the centre is $42^{\circ}$?
Question 5 :
State true or false:<br/>Sector is the region between the chord and its corresponding arc.
Question 6 :
The number of circular pipes with an inside diameter of $1$ cm which will carry the same amount of water as a pipe with an inside diameter of $6$ cm is:
Question 7 :
If one side of a square is 2.4 m. Then what will be the area of the circle inscribed in the square?
Question 8 :
The angle of sector with area equal to one fifth of total area of whole circle 
Question 9 :
The perimeter of a sector of a circle is 37cm. If its radius is 7cm, then its arc length is
Question 10 :
A wire of length $36$ cm is bent in the form of a semicircle. What is the radius of the semicircle?
Question 11 :
The diameter of a wheel of a cycle is 21 cm How far will it go in 28 complete revolutions?
Question 12 :
Cirumference of a circle is S cm, and its area is A sq cm. which one of the following relations is true?
Question 13 :
What is the length of arc AB making angle of $126^0$ at center of radius $8$?
Question 14 :
If the diameter of a circle is increased by 200% then its area is increased by<br>
Question 15 :
If the number of units in the circumference of a circle is same is same as the number of units in the area then the radius of the circle will be
Question 16 :
The area of two circles are in the ratio $25 : 36$. Then the ratio of their circumference is _________.
Question 17 :
A square is inscribed in a circle of radius $7\: cm$. Find area of the square.
Question 18 :
The radius of a circular wheel is $1.75\ m$. The number of revolutions that it will make in covering $11\ kms$ is:
Question 19 :
What is the circumference of a circle whose radius is 8 cm?
Question 20 :
Find the circumference of the circle with the following radius : 10 cm