In the figure, O is the centre of the circle and AB = CD. OM is perpendicular on `bar(AB)` and `bar(ON)` is perpendicular on `bar(CD)`. Then prove that OM = ON.

In the figure, O is the centre of the circle. Find the length of CD, if AB = 5 cm.

In the figure, ‘O’ is the centre of the circle. OM = 3cm and AB = 8cm. Find the radius of the circle

In the adjoining figur, O is the centre of the circle and AB is a diamter. If AB and CD are mutually perpendicualr to each other and angle ADC=50^(@) , then the value of angle CAD

In the adjoining firgure, O is the centre of the circle and AB is its diamter. If AB||CD angle ABC=25^(@) , then the value of angle CED is

In the given figure ‘O’ is the centre of the circle and AB, CD are equal chords. If angleAOB = 70^@ . Find the angles of the Delta OCD

In a circle with centre 'O' . bar(AB) is a chord and 'M' is its midpoint . Now prove that bar(OM) is perpendicular to AB

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 adjacent figure, AB is a chord of circle with centre O. CD is the diameter perpendicualr to AB. Show that AD = BD

In the given figure bar(PQ) is a line. Ray bar(OR) is perpendicular to line bar(PQ) . bar(OS) is another ray lying between rays bar(OP) and bar(OR) . Prove that angleROS = (1)/(2) angleQOS − anglePOS