Source: Exemplar

The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rhombus, if

Options

Option A

PQRS is a rhombus

Option B

PQRS is a parallelogram

Option C

diagonals of PQRS are perpendicular

Option D is correct

diagonals of PQRS are equal