![Question Video: Finding the Length of a Tangent to a Circle Using the Application of Similarity in Circles | Nagwa Question Video: Finding the Length of a Tangent to a Circle Using the Application of Similarity in Circles | Nagwa](https://media.nagwa.com/932172369312/en/thumbnail_l.jpeg)
Question Video: Finding the Length of a Tangent to a Circle Using the Application of Similarity in Circles | Nagwa
![Tangent, secants, and their side lengths from a point outside the circle. Theorems and formula to calculate length of tangent & Secant Tangent, secants, and their side lengths from a point outside the circle. Theorems and formula to calculate length of tangent & Secant](https://www.mathwarehouse.com/geometry/circle/images/secant-tangent-sides/secant-secant-picture-.gif)
Tangent, secants, and their side lengths from a point outside the circle. Theorems and formula to calculate length of tangent & Secant
![Circles: Circumference, Area, Arcs, Chords, Secants, Tangents, Power of the Point. Theorems. All the links are here Circles: Circumference, Area, Arcs, Chords, Secants, Tangents, Power of the Point. Theorems. All the links are here](https://www.mathwarehouse.com/geometry/circle/images/thumbs/power-of-point-2-secants-sides.gif)