[" 9.If two parallel chords of circle,having diameter "4],[" units lie on the opposite sides of the centre and "],[" subtend angles "cos^(-1)((1)/(7))" and "sec^(-1)(7)" at the centre "],[" respectively,then the distance between these "],[" chords,is "]

If two parallel chords of a circle,having diameter 4 units,lie on the opposite sides of the centreand subtend angles cos^(-1)((1)/(7)) and sec^(-1)(7) at the centre respectively,then the distance betweenthese chords,is: (a) (4)/(sqrt(7)) (b) (8)/(sqrt(7)) (c) (8)/(7) (d) (16)/(7)

If two parallel chords of a circle, having diameter 4 units, lie on the opposite sides of the centreand subtend angles cos^-1(1/7) and sec^-1(7) at the centre respectively, then the distance betweenthese chords, is: (a) 4/sqrt7 (b) 8/sqrt7 (c) 8/7 (d) 16/7

Two parallel chords of a circle, of diameter 20 cm lying on the opposite sides of the centre are of lengths 12 cm and 16 cm . The distance between the chords is

AB and CD are two parallel chords of a circle of radius 6 cm lying on the same side of the centre. If the chords subtend angles of 72^circ and 144^circ at the centre, find the distance between the chords.

Two parallel chords of a circle,which are on the same side of centre,subtend angles of 72^(@) and 144^(@) respetively at the centre Prove that the perpendicular distance between the chords is half the radius of the circle.

Two parallel chords of a circle, which are on the same side of centre,subtend angles of 72^@ and 144^@ respetively at the centre Prove that the perpendicular distance between the chords is half the radius of the circle.

Two parallel chords are drawn on the same side of the centre of a circle of radius R. It is found that they subtend and angle of theta and 2theta at the centre of the circle. The perpendicular distance between the chords is

Two parallel chords are drawn on the same side of the centre of a circle of radius R .It is fouind that they subtend angles of theta and 2 theta at the centre of the circle.The prependicular distance between the chords is

Two parallel chords are drawn on the same side of the centre of a circle of radius R. It is found that they subtend and angle of theta and 2theta at the centre of the circle. The perpendicular distance between the chords is