The collection of all the points in a plane which are at a fixed distance from a fixed point in the plane is called

Chord AB is 6 cm from the centre of the circle and is 10 inches long. Another chord CD is 6 cm from the center of the same circle. Then length of CD=

The tangent at any point of a circle is perpendicular to the _________ through the point of contact.

In the given circle which is the chord?

A _________ to a circle is a line that intersects the circle in exactly one point.

A chord   passes through the centre of  a circle is called

Number of tangents in a circle is

In figure, what is AB?

The line drawn across this circle is a diameter. The two arcs defined by this line are called

The line AE and AD called