Open App

Class 10 Exam > Class 10 Videos > Crash Course: Class 10 > Everything about Circle Theorems

Everything about Circle Theorems Video Lecture | Crash Course: Class 10

FAQs on Everything about Circle Theorems Video Lecture - Crash Course: Class 10

1. What are the different circle theorems?

Ans. Some of the important circle theorems include the tangent-chord theorem, the angle at the center theorem, the angle in a semicircle theorem, the cyclic quadrilateral theorem, and the alternate segment theorem. These theorems provide valuable insights and relationships between angles, arcs, and chords in a circle.

2. How can the tangent-chord theorem be applied?

Ans. The tangent-chord theorem states that the angle between a tangent and a chord drawn from the point of contact is equal to the angle in the alternate segment. This theorem can be used to find unknown angles or lengths in a circle when tangents and chords are involved. By applying this theorem, one can solve various geometric problems related to circles.

3. What is the angle at the center theorem?

Ans. The angle at the center theorem states that the angle subtended by an arc at the center of a circle is twice the angle subtended by the same arc at any point on the circumference. This theorem helps in determining angles formed by arcs or chords in a circle, providing a useful tool in solving circle-related problems.

4. How does the angle in a semicircle theorem work?

Ans. According to the angle in a semicircle theorem, the angle formed by any chord and its corresponding arc, when the chord is extended to the ends of the arc, will always be a right angle (90 degrees). This theorem allows us to find or prove right angles in circle geometry by identifying semicircles and their associated chords.

5. What is the alternate segment theorem used for?

Ans. The alternate segment theorem states that the angle between a chord and a tangent at the point of contact is equal to the angle subtended by the chord in the alternate segment. This theorem is applied to determine unknown angles or lengths in a circle where tangents and chords are involved. It provides a fundamental relationship between angles formed by tangents and chords in a circle.

About this Video

4.82/5 Rating

Sep 20, 2025 Last updated

Related Exams

Class 10 Grade 10

Video Description: Everything about Circle Theorems for Class 10 2025 is part of Crash Course: Class 10 preparation. The notes and questions for Everything about Circle Theorems have been prepared according to the Class 10 exam syllabus. Information about Everything about Circle Theorems covers all important topics for Class 10 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Everything about Circle Theorems.

Introduction of Everything about Circle Theorems in English is available as part of our Crash Course: Class 10 for Class 10 & Everything about Circle Theorems in Hindi for Crash Course: Class 10 course. Download more important topics related with notes, lectures and mock test series for Class 10 Exam by signing up for free.

Description

Video Lecture & Questions for Everything about Circle Theorems Video Lecture | Crash Course: Class 10 - Class 10 full syllabus preparation | Free video for Class 10 exam to prepare for Crash Course: Class 10.

Information about Everything about Circle Theorems

Here you can find the meaning of Everything about Circle Theorems defined & explained in the simplest way possible. Besides explaining types of Everything about Circle Theorems theory, EduRev gives you an ample number of questions to practice Everything about Circle Theorems tests, examples and also practice Class 10 tests.

	Crash Course: Class 10 261 videos

Crash Course: Class 10

261 videos

Join Course for Free

Explore Courses for Class 10 exam

Viva Questions

mock tests for examination

shortcuts and tricks