Lecture one, from the beginning
Drashti Gada · YouTube
The tangent theorem and Practice Set 3.1, taught from the start.
Circle
Chapter 3 of Geometry, SSC Std 10 (English Medium). A short revision read — free, no sign-up.
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The full Problem Set 3 in one video
Galaxy of Maths · YouTube
Every end-of-chapter problem solved — the inscribed angle and cyclic quadrilateral proofs included.
Practice Set 3.4 solved
Yogesh Sir's Backbenchers · YouTube
The chord and secant product theorems worked through.