Circles Test - ...

In the circle, reflex $$\angle AOC=x^o, \angle ABC=y^o$$. $$OABC$$ is a parallelogram, then find $$y$$.

Find $$\angle ASR$$.

In the given figure, $$PQRS$$ is a cyclic quadrilateral. Its diagonals $$PR$$ and $$QS$$ intersect each other at $$T$$. If $$\angle PRS=80^{\circ}\;and\;\angle RQS=50^{\circ}$$, calculate $$\angle PSR$$.

In the figure, $$O$$ is the center. If $$\angle MON=80^o$$, then $$\angle MQN$$ equals

In the given figure $$\displaystyle \angle AOB=80^{\circ}$$ The value of x is

In figure, $$\angle BAC = 60^{\circ}$$ and $$\angle BCA = 20^{\circ}$$ , find $$\angle ADC$$.

In the figure, $$\angle$$ B is equal to:

In the figure above, if O is the centre of the circle, find the value of y.

In a cyclic quadrilateral $$ABDC,\,\angle CAB=80^{\circ}$$ and $$\angle ABC=40^{\circ}$$. The measure of the $$\angle ADB$$ will be?

In fig, a is the centre of the circle. If $$\angle$$ BOD 160$$^{\circ}$$  find the values of x and y.