| Quantity A | Quantity B |
| PR | PQ |
| Quantity A | Quantity B |
| X | Y |
A line is drawn perpendicularly from point P to line RQ. Angles at P, given 45
![]() ABCD is a rectangle. R is the midpoint of DC. |
| Quantity A | Quantity B |
| The area of triangle DPC | Twice the area of triangle DQR |
As given in the question, the symbol can be used as multiplication, addition, subtraction or division. I chose division and I got an answer as π√2/2.