Chapter 10: Circles

Class 10 CBSE - Master properties of tangents to a circle.

About This Chapter

Learn about tangents to a circle, prove that tangent is perpendicular to radius, and understand properties of tangents from an external point.

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Chapter Sections

1

Introduction

Review of circles.
2

Tangent to a Circle

Tangent ⊥ radius at point of contact.

TangentPerpendicular
3

Number of Tangents

Tangents from external point are equal.

External PointEqual Tangents
4

Exercise 10.1

Practice problems.
5

Exercise 10.2

Practice problems.
6

Summary

Chapter summary.
7

Enhanced Curriculum Support

Additional resources.