EF is a chord of a circle whose length is 10cm. If radius of the circle is 13 cm, then the length of perpendicular form the centre to the chord is

A. 12 cm

B. 8 cm

C. 7 cm

D. 5 cm

A. 12 cm

Since a perpendicular drawn from the centre of a circle to a chord bisects the chord.

EF is a chord of a circle whose length is 10cm. If radius of the circle is 13 cm, then the length of perpendicular form the centre to the chord is , EF is a chord of a circle whose length is 10cm. If radius of the circle is 13 cm, then the length of perpendicular form the centre to the chord is