ICSE Class 10 Maths Circle : Constructions
Construction of TangentsA tangent is perpendicular to the radius through the point of contact.
Number of tangents from a point on the circle is only one.
Number of tangents from a point outside the circle is two.
The two tangents to the circle from a point outside the circle are equal in length.
Construction: Incircle and CircumcircleConstruction Incircle, Circumcircle