Google Classroom구글 클래스룸
GeoGebra지오지브라 클래스룸

Circle Theorems : Tangent Properties Investigation

Tangent properties in circle theorems investigation.
Is there a relationship between the lengths of the tangents? What shape is created in the shaded region? How can the length from the centre to the point where the tangents meet be found? Are the triangles congruent? Why?