Mathematics
A chord of length 8 cm is drawn at a distance of 3 cm from the center of a circle. Calculate the radius of the circle.
Related Questions
The line joining the mid-points of two chords of a circle passes through its center, then the chords are :
not parallel to each other
equal to each other
parallel to each other
not equal to each other
In the given figure, O and O' are centers of two circles, AB // CD // OO', then which of the following is not true :

AB = 2 × OO'
CD = 2 × OO'
AB = CD
AB ≠ CD
The radius of a circle is 17.0 cm and the length of perpendicular drawn from its center to a chord is 8.0 cm. Calculate the length of the chord.
A chord of length 24 cm is at a distance of 5 cm from the center of the circle. Find the length of the chord of the same circle which is at a distance of 12 cm from the centre.