
A line which meets a circle in one and only one point is called a
to the circle.


Important Questions on Circle
The tangent at any point of a circle and the radius through that point are _____ to each other.

From a point outside the circle _____ tangents can be drawn to the circle. (Mention the answer in words)

The measure of an angle in a semicircle is _____.

A line segment with its end-points lying on a circle is called a radius of the circle.

Diameter is the longest chord of the circle.

The end-points of a diameter of a circle divide the circle into two parts; each part is called a semicircle.

State whether the following statements are true (T) or false (F):
A diameter of a circle divides the circular region into two parts; each part is called a semicircular region.

The diameters of a circle are concurrent. The centre of the circle is the point common to all diameters.
