Basics of Circles | Grade 10 Maths | CBSE, IGCSE, IB | Mathsgenii


This is a graphic video about circles and its a simple and memorable way to remember basic terminology of circle. It covers the two theorems of circles and its proofs.
Theorem 1 : The tangent at any point of a circle is perpendicular to the radius through the point of contact.
Theorem 2: The lengths of tangents drawn from an external point to a circle are equal.

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