Angle inscribed in a semi-circle is:

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

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

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

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

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

The circumference of a circle is a called:

Tangent is a line touching a circle at:

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

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

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

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:

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

Circles having three points in common

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

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

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

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

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

A line intersecting a circle is called: