If the two circles touches externally, then the distance between their centre is equal to the:

The length of the diameter of a circle is how many times the radius of the circle?

The circle which touches the three sides of a triangle is called:

Tangents drawn at the end points of the diameter of a circle are:

The circumference of a circle is a called:

How many common tangents can be drawn for two touching circles?

How many common tangents can be drawn for two disjoint circles?

The tangent and radius of the circle at the point of contact are:

If two circles touch each other, their centre and point of contact are:

How many common tangents can be drawn for two intersecting circles?

Circles having three points in common

The portion of a circle between two radii and an arc is called:

If the distance between the centre of two circles is equal to the sum of their radii, then the circles will:

Angle inscribed in a semi-circle is:

Tangent is a line touching a circle at:

The lengths of two transverse tangents to pair of circles are:

The measure of the external angle of a regular octagon is:

A line intersecting a circle is called:

If the in-centre and circum-cenrtre of a triangle coincide, the triangle is:

How many tangents can be drawn from a point outside the circle?

The measure of the external angle of a regular hexagon is: