The sides AB, BC, CD and DA of a quadrilateral have the equations x + 2y = 3, x = 1, x –…
Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry
The sides AB, BC, CD and DA of a quadrilateral have the equations x + 2y = 3, x = 1, x – 3y = 4, 5x + y + 12 = 0 respectively, then the angle between the diagonals AC and BD is :
- 60°
- 45°
- 90°
- none of these
Answer
(C) 90°
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