Maths Fill In The Blanks[1 Marks ]

The length of the tangent from an external point P to a circle of radius 5cm is 10 cm. The distance of the point from the centre of the circle is ____________ .

Quadrilateral ABCD is circumscribed to a circle. If AB = 6 cm, BC = 7 cm and CD = 4 cm, then AD = ____________ .

The angle between two tangents drawn from an external point to a circle is ____________ to the angle subtended by the line segments joining the points of contact at the centre.

If a number of circles pass through the end points P and Q of a line segment PQ, then their centres lie on the perpendicular bisector of ____________ .

The length of the tangent from an external point P on the circle with centre O is always ____________ OP.

If a chord AB subtends an angle of 60º at the centre of a circle, then the angle between the tangents at A and B is ____________ .

From an external point P, two tangents PA and PB are drawn to the circle with centre O. Then the angle between OP and AB is ____________ .

If AB and CD are common tangents to two circles of unequal radii, then ____________ .

Parallelogram circumscribing a circle is a ____________ .

Tangents drawn from an external point to a circle subtend ____________ angles to the centre.

The two tangents drawn from an external point to a circle are ____________ to the segment joining the centre to the point.

The lengths of two tangents drawn from an external point to a circle are ____________ .

The tangents drawn, at the end-points of a diameter, to a circle are ____________ .

A line intersecting a circle in two distinct points is called a ____________ .