The chapter Circles is in the SA-2 syllabus and is covered under the Unit- Geometry. Geometry solely counts for 17 marks. In this Unit there are 2 chapters: Circles and Construction. In Circles you will learn the following:

Tangents to a circle motivated by chords drawn from points coming closer and closer to the point.

(Prove) The tangent at any point of a circle is perpendicular to the radius through the point of contact.

(Prove) The lengths of tangents drawn from an external point to circle are equal.

Section 1: CIRCLES (This sections covers entire chapter of Circles in two lectures. Circles is a very important chapter of class 9 and holds good marks. These two lectures will prepare you for exams. After watching it you will be able to solve questions on your own. You can note down the formulas and concept behind each topic. This lecture will ensure your keen learning. The entire lecture is very very interactive. Many students finds it difficult to understand. With our lectures you will find it the most easy one and for sure you aren't going to loose even a single score. These lectures are for all who wants to achieve good score. With our lecture a student can score full. We are not only providing you the chapter but a guidance with miraculous tips to aspire high.) | |||
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Lecture 1 | Circles Part 1 (In this section you will understand various terms related to circle and will solve many problems based on its properties.) | ||

Lecture 2 | Circles Part 2 (In this section you will understand various theorems and will solve many problems based on its properties.) | ||

Lecture 3 | Circles Part 3 (In this section you will understand various theorems related to circle and will solve many problems based on its properties.) | ||

Lecture 4 | Circles Part 4 (In this section you will understand various theorems related to circle and will solve many problems based on its properties.) | ||

Lecture 5 | Circles Part 5 (In this section you will understand various theorems related to circle and will solve many problems based on its properties.) | ||

Lecture 6 | Circles Part 6 (In this section you will understand various theorems related to circle and will solve many problems based on its properties.) | ||

Lecture 7 | Circles Part 7 (In this section you will understand various theorems related to circle and will solve many problems based on its properties.) |

#### Sameer Kohli

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sam********@gmail.com |

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##### About Us

Mr. Sameer Kohli is our the most interactive teacher of study khazana. He teaches the students of class IX, X, XI and XII. Further he has 10 years of experience and this experience has made many students score the best result. A topic taught by sir cannot be forgotten. He has a zeal to teach and he always comes up with a new enthusiasm, a new story and a new trick. His lectures are boon for all the students who want to succeed. In his lectures he has shared some secrets of success. If you wish to be successful you should watch his lectures. These lectures can be a life changing experience for you.

##### Biography

10 years

## Courses taught by Sameer Kohli

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### Is Matter Around Is Pure For Class IX | Chemistry

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