shaalaa.com
S

Solution - Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle

Account
User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty
ConceptProblems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle  

Question

In Fig. 6, find the area of the shaded region, enclosed between two concentric circles of radii 7 cm and 14 cm where ∠AOC = 40°. (use `pi =  22/7`)

Solution

You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

A wire is looped in the form of a circle of radius 28 cm. It is re-bent into a square form. Determine the length of the side of the square.

view solution

In Fig.5, PSR, RTQ and PAQ are three semicircles of diameters 10 cm, 3 cm and 7 cm respectively. Find the perimeter of the shaded region. [Use π=3.14]

view solution

Find the area of the sector of a circle whose radius is 14 cm and angle of sector is 45º

view solution

A pendulum swings through an angle of 30º and describes an arc 8.8 cm in length. Find the length of the pendulum.

view solution

A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire also used in making 5 diameters which divide the circle into 10 equal sectors as shown in Fig. Find:

(i) the total length of the silver wire required

(ii) the area of each sector of the brooch

view solution

Reference Material

Solution for concept: Problems Based on Areas and Perimeter Or Circumference of Circle, Sector and Segment of a Circle. For the course 8th-10th CBSE
S