Class 9 Exam > Class 9 Videos > What are Sectors of a Circle?
What are Sectors of a Circle? Video Lecture - Class 9
FAQs on What are Sectors of a Circle? Video Lecture - Class 9
| 1. What is a sector of a circle? |  |
Ans. A sector of a circle is a region enclosed by two radii and an arc of the circle. It is similar to a slice of a pizza, where the radii are the edges and the arc is the curved part.
| 2. How is the area of a sector calculated? | |
Ans. The area of a sector can be calculated using the formula: (θ/360) × πr², where θ is the central angle of the sector and r is the radius of the circle.
| 3. How is the length of an arc in a sector calculated? | |
Ans. The length of an arc in a sector can be calculated using the formula: (θ/360) × 2πr, where θ is the central angle of the sector and r is the radius of the circle.
| 4. Can a sector of a circle be greater than 180 degrees? | |
Ans. No, a sector of a circle cannot be greater than 180 degrees. A sector is a portion of a circle, and the maximum measure for a sector is 360 degrees, which represents the entire circle.
| 5. What is the difference between a sector and a segment of a circle? | |
Ans. A sector is a region enclosed by two radii and an arc, while a segment is a region enclosed by a chord and an arc. The main difference is that a sector includes the central angle, while a segment does not. Additionally, a sector is a larger region compared to a segment.
Related Exams
About this Video
|
4.66/5 Rating |
|
Nov 14, 2024 Last updated |
What are Sectors of a Circle? for Class 92024 is part of Class 9 preparation. The notes and questions for What are Sectors of a Circle?
have been prepared according to the Class 9 exam syllabus. Information about What are Sectors of a Circle? covers all important topics
for Class 92024 Exam. Find important definitions, questions, notes, meanings, examples, exercises
and tests below for What are Sectors of a Circle?.
Description
Video Lecture & Questions for What are Sectors of a Circle? Video Lecture - Class 9 - Class 9 full syllabus preparation | Free video for Class 9 exam.
Information about What are Sectors of a Circle?
Here you can find the What are Sectors of a Circle? defined & explained in the simplest way possible. Besides explaining types of What are Sectors of a Circle?
theory, EduRev gives you an ample number of questions to practice What are Sectors of a Circle? tests, examples and also practice Class 9 tests.
|
Explore Courses for Class 9 exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
past year papers
,Summary
,Important questions
,Exam
,What are Sectors of a Circle? Video Lecture - Class 9
,video lectures
,Sample Paper
,Objective type Questions
,Extra Questions
,practice quizzes
,Previous Year Questions with Solutions
,What are Sectors of a Circle? Video Lecture - Class 9
,Viva Questions
,ppt
,Semester Notes
,mock tests for examination
,study material
,MCQs
,What are Sectors of a Circle? Video Lecture - Class 9
,Free
,shortcuts and tricks
,
Study What are Sectors of a Circle? on the App
Students of Class 9 can study What are Sectors of a Circle? alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the What are Sectors of a Circle?,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of What are Sectors of a Circle? is prepared as per the latest Class 9 syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup