Alternate Segment Theorem (proof by steps)

Alternate Segment Theorem (proof)
Angle in Same Segment
Angle at Centre double the angle at circumfrance
Angle at Centre double the angle at circumfrance
Angle at base of Isosceles Triangles
Right angle between radius and tangent
– Jarrad Strain, Michael Borcherds

Information: Alternate Segment Theorem (proof by steps)