The line RS which touches the circle at T is called _______ to the circle.

The line intersecting the circle at M and N is called _______ of the circle.

A line which touches the circle is known as ____

The region bounded by the line segment AB and the part of the circle ATB is called ________ of the circle.

A line which intersects a circle at two distinct point is called a ______ of the circle.

A line which intersects a circle at two distinct point is called a ______ of the circle.

If the straight line intersects the circle at two points, then the straight line is called a "_____" to the circle.

If A, B are the point on the circle. The line segment bar(AB) is called _______ of the circle.

Two circles touch each other at the point R. PQ is a common tangent to both the circle which touches the circle at the points P and Q. Then anglePRQ=

Circles of radii 36 and 9 touches externally. The radius of the circle which touches the two circles externally and also their common tangent is