Question 2 :
The distance between the two parallel chords of length 8 cm and 6 cm in a circle of diameter 10 cm if the chords lic on the same side of the centre is
Question 3 :
The length of a minute hand of a wall clock is $8.4\ cm$. Find the area swept by it in half an hour.
Question 4 :
The area of a sector is 1/18th of the area of the circle The sectorial angle is
Question 5 :
If the diameter of a circle is increased by 200% then its area is increased by<br>
Question 6 :
Given, $\displaystyle A = \frac{S}{360}\times \pi r^2$<br/>$A$ is the area of setor, $ S$ is the angle measure in degrees of the sector and $r$ is the radius of the circle. Find $r$ in terms of $A$ and $S$.
Question 7 :
The radius of a wheel is $0.25 m$. How many rounds will it take to complete the distance of $11 km$?
Question 8 :
If the radius of a circle is tripled, the ares becomes.
Question 9 :
A roller of diameter 70 cm and length 2m is rolling on the ground What is the area covered by the roller in 50 revolutions?
Question 10 :
If the circumference of a circle be 8.8 m then its radius is equal to -
Question 11 :
The diameter of a circle is divided into n equal parts.On each part a semicircle is constructed. as n becomes very large, the sum of the lengths of the arcs of the semicircles approaches a length:
Question 12 :
If the circumference of a circle is reduced by 50 % then the area will be reduced by
Question 13 :
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 14 :
The area of a sector formed by two mutually perpendicular radii in $\odot \left( 0,5cm \right) $ is ............... ${cm}^{2}$.
Question 17 :
The circumference of a circular field is $308 m$. Find its radius in metres.
Question 18 :
What is the length of arc AB making angle of $126^0$ at center of radius $8$?
Question 19 :
State true or false:<br/>Sector is the region between the chord and its corresponding arc.
Question 20 :
What is the minimum radius $(>1)$ of a circle whose circumference is an integer?
Question 21 :
Area of a circle with diameter 'm' radius 'n' and circumference 'p' is
Question 22 :
Size of a tile is $9$ inches by $9$ inches. The number of tiles needed to cover a floor of $12$ feet by $18$ feet is
Question 23 :
The radius of a circle whose area is equal to the sum of the areas of two circles where radii are 5 cm and 12 cm is
Question 24 :
The sum of the circumference and diameter of a circle is $116 cm$. Find its radius.
Question 27 :
State true or false.Sector is the region between the chord and its corresponding arc.
Question 28 :
Say true or false:A sector is a region between the chord and its corresponding arc.
Question 29 :
If the radius of a circle be r cm then its area will be equal to-
Question 30 :
If the area and arc length of the sector of a circle are 60 $cm^2$ and 20 cm respectively, then the diameter of the circle is
Question 31 :
What is the circumference of a circle whose radius is 8 cm?
Question 32 :
If the difference between the circumference and radius of a circle is 37 cm then its diameter is
Question 33 :
In a circle with radius $5.7\ cm$, the perimeter of a sector is $27.2\ cm$. Find the area of this sector.
Question 34 :
If 'c' be the circumference and 'd' be the diameter then the value of$ \displaystyle \pi $ is equal to-<br>
Question 35 :
The length of minor arc $\widehat {AB}$ of a circle with radius $7$ units  is $14$. Find the length of major arc $\widehat {AB}$.
Question 36 :
A sector of a circle with sectorial angle of$\displaystyle 36^{\circ} $ has an area of 15.4 sq cm The length of the arc of the sector is
Question 37 :
A wire of length $36$ cm is bent in the form of a semicircle. What is the radius of the semicircle?
Question 38 :
The angle of sector with area equal to one fifth of total area of whole circle 
Question 39 :
The minute hand of a clock is $\displaystyle \sqrt{21}$ cm long. The area described by the minute hand on the face of the clock between $7$ am and $7.05$ am is
Question 40 :
Lengthof an arc of a circle with radius $r$ and central angle $\theta$is(angle in radians):
Question 41 :
If the area of a circle is $346.5 \displaystyle cm^{2}$. Its circumference is
Question 42 :
In a circle of radius 21 cm an arc subtends an angle of $\displaystyle 56^{\circ} $ at the centre of the circle. The length of the arc is
Question 44 :
If the area of the circle be $ \displaystyle 154 cm^{2},$ then its radius is equal to:
Question 45 :
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 46 :
The perimeter of a sector of a circle is $56$ cms and the area of the circle is $64\pi$ sq. cms  Find the area of sector.
Question 49 :
If an arc of a circle subtends an angle of<b></b>$ \displaystyle x^{\circ} $ at the centre then the length of the arc will be equal to - (Given radius of the circle=r)
Question 50 :
$r$ is the radius and $l$  is the length of an arc. The area of a sector is ______.