Subject :IMO Class : Class 9

In the given figure, *PQRS* is a rectangle with its centre at origin and length*PQ* = 2*a* units and breadth *QR* = 2*b* units. Find coordinates of all of its vertices.

A *P*(*a*, – *b*), *Q*(*a*, *b*), *R*(–*a*, *b*), *S*(–*a*, –*b*)

B *P*(*a*, – *b*), *Q*(*a*, *b*), *R*(*a*, – *b*), *S*(–*a*, –*b*)

C *P*(–*a*, *b*), *Q*(*a*, *b*), *R*(*a*, – *b*), *S*(–*a*, – *b*)

D *P*(–*a*, *b*), *Q*(*a*, *b*), *R*(*a*, – *b*), *S*(–*a*, *b*)