`O` is the centre of a circle of diameter AB. If chord `AC=` chord BC, then find the value of `angleABC`.

In the adjoining figure, O is the centre of the centre of the circle. If diameter AC=26cm and chord AB=10cm, then find the distances of the chord AB from the centre of the circle.

In the adjoining figure, O is the centre of the centre of the circle. If diameter AC=26cm and chord AB=10cm, then find the distances of the chord AB from the centre of the circle.

In the adjoining figure, O is the centre of the circle and AB= AC , if angleABC=32^(@) , then find the value angle BDC

In the adjoining figure, O is the centre of circle and diameter AC = 26 cm . If chord AB = 10 cm , then the distance between chord AB and centre O of the circle is :

In the adjoining figure, O is the centre of the circle. If the chord AB is equal to the radius of the circle, then find the value of angleADB .

In the adjoining figure, O is the centre of the circle. If the chord AB is equal to the radius of the circle, then find the value of angleADB .

In the given figure AB is the diameter of a circle with centre O . If chord AC = chord AD, prove that : (i) are BC= are DB (ii) AB is bisector of angle CAD . Further, if the length of are AC is twice the length of are BC , find : (i) angle BAC (ii) angle ABC

AC and BC are two equal chords of a circle with diameter AB.If the equal chords have lengths 10cm find the area of the circle

In the adjoining figure, O is the centre of the circle AC is a diameter and chord DE is parallel to the diameter AC. If angle CBD=60^(@) , find the value of angle CDE

In the figure given below, O is the centre of the circle and Ab is a diameter. If AC = BC and angleAOC=72^(@) . Find: (i) angleABC (ii) angleBAD (iii) angleABD