The sides \[AB,BC,CD\] and \[DA\]of a quadrilateral are \[x+2y=3,\,x=1 – McqOptions

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1.	The sides \[AB,BC,CD\] and \[DA\]of a quadrilateral are \[x+2y=3,\,x=1,\] \[x-3y=4,\,\] \[\,5x+y+12=0\] respectively.The angle between diagonals \[AC\]and \[BD\]is[Roorkee 1993]
A.	\[{{45}^{o}}\]
B.	\[{{60}^{o}}\]
C.	\[{{90}^{o}}\]
D.	\[{{30}^{o}}\]
Answer» D. \[{{30}^{o}}\]

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