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12. ABCD IS A QUADRILATERAL IN WHICH P,Q,R,S ARE THE MID-points of sides AB,BC,CD,DA, AC IS A DIAGONAL . SHOW THAT: 1) SR||AC and SR=1/2 AC 2) PQ=SR 3) PQRS IS A PARALLELOGRAM. |
| Answer» 12. ABCD IS A QUADRILATERAL IN WHICH P,Q,R,S ARE THE MID-points of sides AB,BC,CD,DA, AC IS A DIAGONAL . SHOW THAT: 1) SR||AC and SR=1/2 AC 2) PQ=SR 3) PQRS IS A PARALLELOGRAM. | |