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Question
If the vertices of a parallelogram are (0, 0) , (2, 1), (1, 3) and (1, 2) then the angle between their diagonals will be:
Options
`pi/4`
`(3pi)/2`
`pi/2`
`pi/3`
MCQ
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Solution
`pi/2`
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Mensuration - Area and Volume (Entrance Exam)
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