Two chord PQ and PR of the circle are perpendicular to each other. If the radius of the circle be r and then find the length of the chord QR.

AB and AC are two chords perpendicular to each other. If the radius of the circle = 2r unit, then the length of chord BC is

Two chords AB and AC of a circle are mutually perpendicular to each other. If AB = 4 cm and AC = 3 cm, find the length of the radius of the circle.

Two chords AB and AC of a circle are perpendicular to each other. If AB =4 cm and AC =3 cm , then find the radius of the circle.

Two equal circles pass through each other centre. If the radius of each circle is 5 cm, what is the length of the common chord?

Two chords 2a and 2b of a circle are perpendicular to each other at a point they meet. If the distance between the centre of circle to this point is c ( clt radius of circle) then what is radius of circle.

Two circles with equal radius passes through the centres of each other. If the radius of each circle is 5 cm then find the length of common chord.

Theorem of internal division of chords. Suppose two chords of a circle intersect each other in the interior of the circle, then the product of the lengths of the two segments of one chord is equal to the product of the lengths of the two segments of the other chord. Given : (1) A circle with centre O . (2) chords PR and QS intersect at point E inside the circle. To prove : PE xx ER = QE xx ES Construction : Draw seg PQ and seg RS

If a chord of a circle subtends an angle of 30^(@) at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?