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The coordinates of three vertices of a quadrilateral ABCD taken in order are A(1, –3), B(5, –2) and C(2, 1). If diagonals AC and BD bisect each other at O, then the ar( ΔAOD) is |
| Answer» The coordinates of three vertices of a quadrilateral ABCD taken in order are A(1, –3), B(5, –2) and C(2, 1). If diagonals AC and BD bisect each other at O, then the ar( ΔAOD) is | |