In the adjoining figure, `O` is the centre of the circle and AB is its diameter. If AC=8 cm and BC= 6cm, then find the radius of the circle.

In the adjoining figure, O is the centre of the circle and AC is its diameter. If angleBAC=30^@ , then find angleBOC .

In the adjoining figure, O is the centre of the circle and AC is its diameter. If angleBAC=30^@ , then find angleBOC .

In the given figure, O is the centre of the circle ans AB is a tangent at B. If AB=15 cm and AC=7.5cm, calculate the radius of the circle.

In the given figure O is the centre of the circle and AB is a tangents at B. If AB = 15 cm and AC = 7.5 cm. Calculate the radius 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 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 a circle and AB is one of its diameters. The legth of the chrod CD is equal to the radius of the circle. When AC and BD are extended, they intersect each other at a point P. find the value of angle APB

In the adjoining figure, BD is the diameter of the circle which bisects the chord AC at point E. If AC=8cm , BE=2cm , then find the radius of the circle.

In the adjoining figure, BD is the diameter of the circle which bisects the chord AC at point E. If AC=8cm , BE=2cm , then find the radius of the circle.