In figure (not to scale), the points `M, R, N, S, Q` are concyclic. Find `/_PQR+/_OPR+/_NMS+/_OSN`. if `'O'` is the center of the circle.

In figure (not to scale),the points M,R,N,S,Q are concyclic.Find /_PQR+/_OPR+/_NMS+/_OSN. if ^ prime O' is the center of the circle.

In the given figure, (not to scale), the points M,R, N,S and Q are concylic. Find anglePQR+angleOPR + angleNMS + angleOSN , if O is the center of the circle.

In Figure, find m\ /_P Q B where O is the centre of the circle

In the figure (not to scale ), O is the centre of the circle and /_OBA=30^(@) . Find /_ ACB

Find the area of the shaded region in Figure, if P Q=24 c m , P R=7 c m and O is the centre of the circle.

In the given figure (not to scale), O is the center of the circle C_(1) and AB is the diameter of the circle C_(2) . Quadrilateral PQRS is inscribed in the circle with center O. Find angleQRS .

Find the coordinates of points P,Q,R and S in Figure.

Find the coordinates of points P ,\ Q ,\ R\ a n d\ S in Figure.

In the given figure,PQ is tangent at a point R of the circle with centre O.If,find m/_PRS .