The length of a chord which subtends 60 degree to a circle of radius 6 cm is ___.
A circle of radius 3 cm, with centre O is drawn circumscribing a ΔABC. What is the sum of OA + OB + OC?
Difference between the diameters of two circles is 6cm. The difference between their radii is ____.
A circle having radius 4 cm contains a chord of length 4 cm and subtends an angle of 60 degrees. Find the area of the minor segment of the chord.
A chord of length 30 cm is drawn in a circle of radius 17 cm. Find its distance from the centre of the circle.
In a circle, two parallel chords of lengths 6 cm and 8 cm are 6 cm apart. Then the distance of chord of length 6 cm from the centre is