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| 1. |
ABCD is a rhombus and P,Q,R,S are joined with the midpoints of AB,BC,CD,DA respectively . Show that the quadrilateral PQRS is a rectangle |
| Answer» ABCD is a rhombus and P,Q,R,S are joined with the midpoints of AB,BC,CD,DA respectively . Show that the quadrilateral PQRS is a rectangle | |