Chapter 8 • Class 10 Mathematics
Circles
Circles — Class 10 Maths notes, solved examples, online MCQ test and IMO practice on Vidaara.
Study by topic — one focused page each
1
Introduction to Circles & Tangents
What is a circle? A circle is a collection of all points in a flat plane that are at a constant, fixed distance from a central fixed point. Think of a…
Start this topic → 2Properties of Tangents & Perpendicularity Theorems
What is the Tangent Perpendicularity Theorem? The most important property of a tangent concerns its angle with the radius. Theorem (Tangent Radius): T…
Start this topic → 3Tangents from an External Point & Geometrical Applications
What is the Length-of-Tangents Theorem? From a point outside a circle you can draw exactly two tangents. Theorem: The lengths of the two tangents draw…
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key