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

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

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

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

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

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

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

Angle inscribed in a semi-circle is:

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

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

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

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

The circumference of a circle is a called:

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

A line intersecting a circle is called:

Circles having three points in common

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

Tangent is a line touching a circle at:

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