[http://www.karnatakaeducation.org.in/KOER/en/images/5/5b/Tangent_from_external_point.ggb/ tangent from external point click here] | [http://www.karnatakaeducation.org.in/KOER/en/images/5/5b/Tangent_from_external_point.ggb/ tangent from external point click here] |