A B and C D are respectively arcs of t...

`A B` and `C D` are respectively arcs of two concentric circles of radii 21 cm and 7 cm and centre `O` . If `/_A O B=30^@` , find the area of the shaded region.

Text Solution

AI Generated Solution

Topper's Solved these Questions

ARITHMETIC PROGRESSIONS
RD SHARMA ENGLISH|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

AB and CD are respectively arcs of two concentric circles of radii 21 cm and 7 cm and centre O (see Fig. 12.32). If /_A O B=30^@ , find the area of the shaded region.

In Figure, there are shown sectors of two concentric circles of radii 7cm and 3.5cm. Find the area of the shaded region. (pi=(22)/7)

In Figure, there are shown sectors of two concentric circles of radii 7cm and 3.5cm. Find the area of the shaded region. (U s epi(22)/7)

In the adjoining figure, two concentric circle with centre O have radii 21 cm and 42 cm. If angleAOB = 60^(@) , find the area of the shaded region. (Use pi = (22)/(7) )

Find the area of a ring shaped region enclosed between two concentric circles of radii 20 cm and 15 cm.

In figure arcs have been drawn with radii 14 cm each and with centres P, Q and R. Find the area of the shaded region .

In the given figure, PQ = 24 cm PR = 7 cm and O is the centre of the circle. Find the area of the shaded region. (Use pi = 3.14 )

In fig. O is the center of a circle such that diameter AB=13cm and AC= 12 cm. BC is joined. Find the area of the shaded region.

In Figure, A B C is an equilateral triangle inscribed in a circle of radius 4 cm with centre O . Find the area of the shaded region.

RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions

A chord A B of a circle, of radius 14 cm makes an angle of 60^@ at ...
Text Solution
|
Find the area of the shaded region in Figure, where radii of the two c...
Text Solution
|
A B and C D are respectively arcs of two concentric circles of radii...
Text Solution
|
In Fig. 15.35, A O B C A represents a quadrant of a circle of radius ...
Text Solution
|
A square park has each side of 100 m. At each corner of the park, th...
Text Solution
|
Four equal circles are described about the four corners of a square...
Text Solution
|
Find the areas of the shaded region in the Fig. 15.39. (FIGURE)
Text Solution
|
A B C D is a flower bed. If O A=21\ m and O C=14\ m , find the area...
Text Solution
|
A B C P is a quadrant of a circle of radius 14 cm. With A C as d...
Text Solution
|
The area of an equilateral triangle is 1732. 05\ c m^2 . About each an...
Text Solution
|
It is proposed to add to a square lawn measuring 58cm on a side, two c...
Text Solution
|
Find the area of the shaded region in Fig. 15.48, where A B C D is a...
Text Solution
|
Find the area of the shaded region in Fig. if A B C D is a square...
Text Solution
|
A round table cover has six equal designs as shown in Fig. 15.51. I...
Text Solution
|
Find the areas of the shaded region in Fig. 15.52, where a circular...
Text Solution
|
In a circular table cover of radius 32cm, a design is formed leaving a...
Text Solution
|
In the given figure, AB and CD are two diameters of circles ( with cen...
Text Solution
|
Calculate the area of the designed region in Figure common between the...
Text Solution
|
On a square handkerchief, nine circular designs each of radius 7 cm ...
Text Solution
|
Find the area of the shaded region in Figure, if P Q=24 c m , P R=7 ...
Text Solution
|