[" 7.A chord "PQ" of a circle is parallel to the tangent drawn at a point "R" of the circle.Prove that "],[R" bisects the arc "PRQ" ."]

A circle with radius r has a chord PQ whose length is 2a . The tangents drawn at points P and Q to the circle meet at T , what is the length of TP ?

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.