Question

How can we show that points are
concyclic...


please,help...... fast....​

Answer 1

Answer:

Concyclic Points

Theorem: If the segment joining two points A and B subtends equal angles at two other points C and D on the same side of AB, then the four points are concyclic.

Proof: Draw the circle passing through A,B and C. ...

Example 1: Prove that any four vertices of a regular pentagon are